Effect of comorbidity classes on survival of patients with gastrointestinal tract cancer by Linna Gao, Tian Yao, Shaohua Ge, Jiuwei Cui, Wei Li, Zengqing Guo, Hongxia Xu, Min Weng, Suyi Li, Qinghua Yao, Wen Hu, Lan Zhou, Junqiang Chen, Xianghua Wu, Qingchuan Zhao, Hongli Li, Hanping Shi, Yi Ba, He Huang, The Investigation on Nutrition Status and its Clinical Outcome of Common Cancers (INSCOC) Group

“…Methods In a multicenter prospective observational study from 2012 to 2021, we grouped the comorbidities of patients with GTC by latent class analysis, obtaining two comorbidity classes. …”
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The Role of OCT Angiography in the Assessment of Epiretinal Macular Membrane by Daniela Bacherini, Francesco Dragotto, Tomaso Caporossi, Chiara Lenzetti, Lucia Finocchio, Alfonso Savastano, Maria Cristina Savastano, Francesco Barca, Martina Dragotto, Lorenzo Vannozzi, Francesco Nasini, Francesco Faraldi, Stanislao Rizzo, Gianni Virgili, Fabrizio Giansanti

“…The aim of this observational study is to assess pre- and postoperative retinochoroidal vascular changes in patients undergoing epiretinal macular membrane (ERM) surgery by using optical coherence tomography angiography (OCTA). …”
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Social determinants and follow-up care after emergency department discharge for traumatic intracranial hemorrhage by Meghan M. Dillan, Joseph Piktel, Adam Perzynski, Mary Jo Roach, Kristen K. Curtis, Yasir Tarabichi, Lance Wilson, Michael L. Kelly

“…Methods: We conducted an IRB approved retrospective observational study at a large urban Level 1 trauma center from January 2017 to July 2022. …”
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Hubungan Tingkat Pengetahuan dan Sikap dengan Tindakan Pencegahan Osteoporosis pada Wanita Usila di Kelurahan Jati by Sri Ganesh Rajaratenam, Rose Dinda Martini, Nur Indrawati Lipoeto

“…This study aimed to determine whether there is a relationship between the level of knowledge and attitudes with osteoporosis preventive measures.The study was an observational study with cross-sectional design. The study population was elderly women ≥ 60 years who reside in the Village of Jati, East Padang district. …”
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Comparison of demographic, clinical and laboratory characteristics between first and second COVID-19 waves in a secondary care hospital in Qatar: a retrospective study by Prem Chandra, Vamanjore A Naushad, Nishan K Purayil, Abazar Ahmad M Saeed, Pradeep Radhakrishnan, Irfan Varikkodan, Joe V Mathew, Jaseem Sirajudeen, Riyadh A Hammamy, Ahmad M Badi, Aasir M Suliman, Mohamed N Badawi, Saket Arya, Maryam AlMotawa, Aisha Al-Baker, Rania Alatom, Anand Kartha

“…Objective To compare the patient profile and outcomes in Qatar during the first and second waves of the COVID-19 pandemic.Setting A retrospective observational study was conducted comparing the demographic, clinical and laboratory characteristics of patients with COVID-19 infection admitted to a secondary care hospital, during the first and second waves of the pandemic.Participants 1039 patients from the first wave and 991 from the second wave who had pneumonia on chest X-ray and had a confirmed SARS-CoV-2 infection by a real-time PCR test of a nasopharyngeal swab were included. …”
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Lenvatinib Therapy in Patients with Unresectable Hepatocellular Carcinoma in Real Clinical Practice by V. V. Petkau, A. V. Sultanbaev, K. V. Menshikov, A. S. Antipin, M. V. Volkonsky, V. M. Filippova, Yu. V. Vasilyeva, A. A. Tarkhanov, M. R. Mukhitova, M. Zh. Murzalina, A. R. Safarova

“…A multicenter retrospective observational study included 58 patients with a confirmed uHCC diagnosis receiving lenvatinib. …”
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Circulating Th1 and Th2 Subset Accumulation Kinetics in Septic Patients with Distinct Infection Sites: Pulmonary versus Nonpulmonary by Ming Xue, Yuying Tang, Xu Liu, Mingyuan Gu, Jianfeng Xie, Ling Liu, Yingzi Huang, Fengmei Guo, Yi Yang, Haibo Qiu

“…From a secondary analysis of a prospective observational study, seventy-four previously immunocompetent patients with community-acquired severe sepsis within 24 hours upon onset were enrolled. …”
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Effects of biologic therapy on novel indices of lung inhomogeneity in patients with severe type-2 high asthma by Nayia Petousi, Nick P Talbot, Ian Pavord, Peter A Robbins, Nicholas M J Smith, Graham Richmond, Asma Alamoudi, Lorenzo Petralia, Haopeng Xu, Dominic Sandhu, Grant AD Ritchie

“…Here, we assessed changes in lung inhomogeneity in patients with type-2 high asthma treated with biological therapy and explored the relationship between inhomogeneity measures and conventional asthma disease markers.Methods This was an observational study of 91 severe type-2 high asthma patients recruited from a tertiary asthma clinic, of whom 67 subsequently started anti-IL5 or anti-IL5R biologics. …”
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Are we serologically prepared against an avian influenza pandemic and could seasonal flu vaccines help us? by Iván Sanz-Muñoz, Javier Sánchez-Martínez, Carla Rodríguez-Crespo, Corina S. Concha-Santos, Marta Hernández, Silvia Rojo-Rello, Marta Domínguez-Gil, Ahmed Mostafa, Luis Martinez-Sobrido, Jose M. Eiros, Aitor Nogales

“…This raises the question of how prepared we are serologically and whether seasonal vaccines are capable of inducing protective immunity against these influenza subtypes. An observational study was conducted in which sera from people born between years 1925–1967, 1968–1977, and 1978–1997 were collected before or after 28 days or 6 months post-vaccination with an inactivated seasonal influenza vaccine. …”
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A multicenter analysis to identify the risk factors for stroke recurrence and mortality within 1 year by Eman A. Alraddadi, Eman A. Alraddadi, Hashim F. Alotaibi, Hashim F. Alotaibi, Yasser Alatawi, Ahmed Aljabri, Ahmed A. Alghamdi, Ahmed A. Alghamdi, Fahad Alturki, Fahad Alturki, Faisal F. Alamri, Faisal F. Alamri

“…BackgroundStroke recurrence is a serious and prevalent complication of ischemic stroke that warrants additional investigation.MethodsA hospital-based retrospective observational study included acute-subacute ischemic stroke adult patients. …”
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The Role of Bronchoalveolar Lavage in Therapeutic Antimicrobial Choices for Hematologic Patients with Pulmonary Infiltrates by Filippo Patrucco, Mattia Bellan, Davide Martinotti, Giuseppe Ielo, Paola Rebecca Iovine, Martina Mascheroni, Francesco Todisco, Martina Ubaldi, Nadia Castaldo, Francesco Gavelli, Alberto Fantin

“…<i>Material and Methods:</i> This multicenter, retrospective, observational study included data from 193 consecutive patients from two centers from January 2020 to October 2022. …”
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Clinical significance of plasma-free amino acids and tryptophan metabolites in patients with non-small cell lung cancer receiving PD-1 inhibitor: a pilot cohort study for developin... by Akihiko Kawahara, Tetsuro Sasada, Koichi Azuma, Hidenobu Ishii, Norikazu Matsuo, Takaaki Tokito, Tomoaki Hoshino, Yohei Miyagi, Huihui Xiang, Tomoyuki Tagami, Rika Kasajima, Yumiko Kato, Sachise Karakawa, Shinya Kikuchi, Akira Imaizumi, Kenta Murotani

“…However, the clinical significance of free amino acids (plasma-free amino acids (PFAAs)) and tryptophan-related metabolites in plasma has not been fully understood in patients with non-small cell lung cancer (NSCLC) who receive immune checkpoint inhibitors.Methods We conducted a single cohort observational study. Peripheral blood samples were collected from 53 patients with NSCLC before treatment with PD-1 (Programmed cell death-1) inhibitors. …”
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E_N_T_R_O_P_Y: Monocentric analysis of rectal cancer radio-chemotherapy treatment in patients of young age by E. Meldolesi, A. Nicolì, N. Dinapoli, G. Chiloiro, A. Romano, R. Menghi, R. Persiani, F. Pacelli, C. Coco, C. Ratto, S. Manfrida, L. Boldrini, B. Corvari, M.A. Gambacorta

“…Materials/methods: 788 rectal cancer patients were enrolled in this monocentric retrospective observational study (523 =>55 years and 265 < 55). All patients received neoadjuvant chemoradiation treatment. …”
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Description of the Serological Response After Treatment of Chronic Imported Schistosomiasis by Marta González-Sanz, Irene Martín-Rubio, Oihane Martín, Alfonso Muriel, Sagrario de la Fuente-Hernanz, Clara Crespillo-Andújar, Sandra Chamorro-Tojeiro, Begoña Monge-Maíllo, Francesca F. Norman, José A. Pérez-Molina

“…Methods: A retrospective observational study was performed including patients treated for chronic imported schistosomiasis from 2018 to 2022 who had at least one serological result at baseline and during follow-up. …”
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The Monocyte-to-Lymphocyte Ratio at Hospital Admission Is a Novel Predictor for Acute Traumatic Intraparenchymal Hemorrhage Expansion after Cerebral Contusion by Jiangtao Sheng, Tian Li, Dongzhou Zhuang, Shirong Cai, Jinhua Yang, Faxiu Ding, Xiaoxuan Chen, Fei Tian, Mindong Huang, Lianjie Li, Kangsheng Li, Weiqiang Chen

“…This multicenter, observational study included patients with available at-hospital admission (baseline) and follow-up computed tomography for volumetric analysis (retrospective development cohort: 1146 patients; prospective validation cohort: 207 patients). …”
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Pharmacological approaches in drug-resistant pediatric epilepsies caused by pathogenic variants in potassium channel genes by Ilaria Filareto, Ilaria Mosca, Elena Freri, Francesca Ragona, Laura Canafoglia, Roberta Solazzi, Barbara Castellotti, Giuliana Messina, Cinzia Gellera, Maria Virginia Soldovieri, Paolo Ambrosino, Maurizio Taglialatela, Jacopo C. DiFrancesco, Tiziana Granata

“…In this retrospective observational study, we selected patients with drug-resistant pediatric epilepsies caused by variants in potassium channel encoding genes, followed at the Fondazione IRCCS Istituto Neurologico Carlo Besta of Milan, Italy. …”
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Myocardial Infarction-Associated Shock: A Comprehensive Analysis of Phenotypes, SCAI Classification, and Outcome Assessment by Stanislav Dil, Maria Kercheva, Oleg Panteleev, Sergey Demianov, Aleksandr Kanev, Nina Belich, Boris Kornienko, Vyacheslav Ryabov

“…<i>Materials and Methods</i>: In this single-center, retrospective observational study, we reviewed the medical records of 1289 patients admitted to the emergency cardiology department from 1 January to 12 December 2020. …”
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Hubungan Kadar LDL dan HDL Serum Ibu Hamil Aterm dengan Berat Lahir Bayi by Oktalia Sabrida, Hariadi ., Eny Yantri

“…This study was an observational study with cross sectional design. Examination of LDL and HDL serum level to 31 term pregnancy sample choose by consecutive sampling, and then infant’s birth weight was counted within 1 hour after birth without clothes. …”
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The effect of iron deficiency on cardiac resynchronization therapy: results from the RIDE‐CRT Study by Philipp Lacour, Phi Long Dang, Daniel Armando Morris, Abdul Shokor Parwani, Wolfram Doehner, Franziska Schuessler, Felix Hohendanner, Frank R. Heinzel, Andrea Stroux, Carsten Tschoepe, Wilhelm Haverkamp, Leif‐Hendrik Boldt, Burkert Pieske, Florian Blaschke

“…Methods and results The relation of iron deficiency and cardiac resynchronization therapy response (RIDE‐CRT) study is a prospective observational study. We enrolled 77 consecutive CRT recipients (mean age 71.3 ± 10.2 years) with short‐term follow‐up of 3.3 ± 1.9 months and long‐term follow‐up of 13.0 ± 3.2 months. …”
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Errors Associated With Medication Administration by a Nurse During Hospitalisation: A Prospective Observational Multicentric Study by Ondrej Tesar, Martin Dosedel, Ales Antonin Kubena, Katerina Mala‐Ladova, Radka Prokesova, Iva Brabcova, Hana Hajduchova, Martin Cerveny, Ivana Chloubova, Jiri Vlcek, Valerie Tothova, Josef Maly

“…Design The prospective observational study was carried out in accordance with the STROBE guidance. …”
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