Association between Novel Marker (Platelet-Lymphocyte Ratio, Neutrophil-Lymphocyte Ratio, and Delta Neutrophil Index) and Outcomes in Sudden Cardiac Arrest Patients by Sang Il Han, Kyoung-Chul Cha, Young Il Roh, Sung Oh Hwang, Woo Jin Jung, Tae Youn Kim

“…This retrospective observational study was performed on patients with SCA. …”
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Prevalence and spectrum of haemoglobinopathies in females of reproductive age group- A first tertiary care center experience in Punjab, North India by Vikram Narang, Anshul Jain, Sumit Grover, Ankita Soni, Monika Narang, Ashima Taneja

“…Settings and Design: It was a retrospective observational study carried out for 2.5 years (from January 2018 till June 2020). …”
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Pregnancy-Associated Plasma Protein-A: Its Significance as a Single Biomarker for Adverse Obstetric Outcomes by Madhusudan Dey, Priyanshi Choudhury, Sunil Chawla, Pranjali Dhume, Suyash Goel, Ankur Shah, Mounica Gowda KN

“…This prospective observational study was conducted to find a correlation between low pregnancy-associated plasma protein-A levels in the first trimester of pregnancy with various obstetric outcomes to establish if it can be used as a single biomarker for counseling couples. …”
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Prevalence of Autoimmune Diseases in Patients Treated With Immune Checkpoint Inhibitors: An Epidemiological Study Using A Global Network of Health Care Organizations by Pushti Khandwala, Devashish Desai, Arthur Lau

“…Methods This retrospective observational study was done using TriNetX. Patients with neoplasm for which ICIs were approved were stratified into two groups based on ICI use. …”
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Clinical Characteristics of Paracentral Acute Middle Maculopathy in Eyes with Retinal Vascular Occlusion Diseases in Chinese Patients by Zhengwei Zhang, Yunjia Jiang, Xiaoli Huang, Zhifeng Wu, Bilian Ke

“…In this retrospective observational study from January 2015 to May 2020, multimodal imaging data of 807 eyes including 555 consecutive patients with RVO or 252 consecutive patients with RAO were reviewed. …”
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The Obesity Paradox Revisited: Is Obesity Still a Protective Factor for Patients With High Comorbidity Burden or High-Complexity Procedures? by Hyo Jin Son, BSc, Denise W. Gee, MD, David Gomez, MD, PhD, James J. Jung, MD, PhD

“…We performed an observational study of adult patients undergoing major surgery using the 2016 to 2019 National Surgical Quality Improvement Program database. …”
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The Role of Severe Vitamin D Deficiency in Predicting the Risk of Severe Exacerbation in Patients With Chronic Obstructive Pulmonary Disease by Zhou L, Han C, Zhou Y

“…Li Zhou,1– 4 Cunqiao Han,5 Yue Zhou1– 4 1Department of Emergency Medicine, West China Hospital, Sichuan University, Chengdu, People’s Republic of China; 2West China School of Nursing, Sichuan University, Chengdu, People’s Republic of China; 3Disaster Medical Center, Sichuan University, Chengdu, People’s Republic of China; 4Nursing Key Laboratory of Sichuan Province, Chengdu, People’s Republic of China; 5Department of Emergency Medicine, Shangjinnanfu Hospital, West China Hospital, Sichuan University, Chengdu, People’s Republic of ChinaCorrespondence: Yue Zhou, Department of Emergency Medicine, West China Hospital, Sichuan University, No. 37 Guoxue Road, Chengdu, 610041, Sichuan, People’s Republic of China, Tel +86-028-62539203, Email zhouyuesccd@163.comBackground: This study aims to investigate the association between vitamin D levels and the risk of severe acute exacerbations of chronic obstructive pulmonary disease (AECOPD).Methods: We conducted a prospective observational study with 636 COPD patients admitted for exacerbations between January 2021 and December 2022. …”
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Association of Asthma Control and Metered-Dose Inhaler Use Technique among Adult Asthmatic Patients Attending Outpatient Clinic, in Resource-Limited Country: A Prospective Study by Bezie Kebede, Girma Mamo, Abebaw Molla

“…To evaluate relationship between MDI use technique and asthma control among adult asthmatic patients who attend respiratory clinic in Jimma University Medical Center (JUMC), Southwest Ethiopia. A prospective observational study was conducted from March to August 22, 2018. …”
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Prevalence and clinicopathological Spectrum of Auto-Immune Liver Diseases & Overlap syndrome by Annapoorani Varadarajan, Archana Rastogi, Rakhi Maiwall, Chhagan Bihari, Sherin Thomas, Vikrant Sood, Saggere Muralikrishna Shasthry

“…Materials and Methods: A 10-year (2011–2020) cross-sectional, retrospective observational study of histological proven cases of AILD was conducted. …”
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Relationship Between the Use of Fitness Trackers and Smartwatches for Monitoring Physical Activity and the Sociodemographic Characteristics of Long-Term Care Residents During the C... by Ivana Crnković, Karmen Lončarek, Nada Tomasović Mrčela, Danica Železnik, Tomislav Vlahović

“…The objectives of this observational study were to examine the use of fitness trackers and smartwatches for monitoring physical activity and to analyze the relationship between the use of these technological solutions and the sociodemographic characteristics of LTC residents during the COVID-19 lockdown. …”
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To do or not to do? – Endometrial biopsy in younger women with abnormal uterine bleeding by Sandra Lynn Jaya-Bodestyne, Marlene Samantha Goh, Madeline Chan Hiu Gwan, Sonali Prashant Chonkar, Khurshid Merchant, Manisha Mathur

“…Methods: We conducted a retrospective observational study reviewing the records of 464 women aged under 40 years old who underwent endometrial biopsy for AUB. …”
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The Gut Microbiota in Women Suffering from Gestational Diabetes Mellitus with the Failure of Glycemic Control by Lifestyle Modification by Guangyong Ye, Long Zhang, Min Wang, Yunbo Chen, Silan Gu, Keyi Wang, Jianhang Leng, Yujia Gu, Xinyou Xie

“…However, a number of patients whose blood glucose is not controlled by lifestyle modification still require exogenous insulin to control blood glucose. No observational study is available about the relationship between the gut microbiota in GDM patients and lifestyle modifications. …”
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Comparing the Fiscal Consequences of Controlled and Uncontrolled Osteoarthritis Pain Applying a UK Public Economic Perspective by Rui Martins, Nikos Kotsopoulos, Melodi Kosaner Kließ, Craig Beck, Lucy Abraham, Samuel Large, Patricia Schepman, Mark P. Connolly

“…Health-care costs were calculated based on estimates from an UK observational study. The base case analysis compared the projected lost tax revenue and transfer payments for a 50-year-old cohort with severe OA pain, retiring at age 65. …”
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Epidemiology of Respiratory Pathogens in Children with Severe Acute Respiratory Infection and Impact of the Multiplex PCR Film Array Respiratory Panel: A 2-Year Study by Asmae Lamrani Hanchi, Morad Guennouni, Meriem Rachidi, Toufik Benhoumich, Hind Bennani, Mounir Bourrous, Fadl Mrabih Rabou Maoulainine, Said Younous, Mohamed Bouskraoui, Nabila Soraa

“…This work is a descriptive observational study from January 2018 to December 2019 including nasopharyngeal secretions collected from 534 children hospitalised in paediatric department. …”
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Virtual bronchoscopic navigation and guided radial endobronchial ultrasound for peripheral pulmonary lesions: harmonizing modalities to optimize accuracy by Parul Mrigpuri, Sidharth Raj Yadav, Divyendu Sharma, Sonam Spalgais, Vidushi Rathi, Nitin Goel, Balakrishnan Menon, Raj Kumar

“…This retrospective observational study evaluated the diagnostic yield of VBN-guided R-EBUS in patients with PPLs identified on computed tomography. …”
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Retrospective database analysis on the demographics and resource utilization of patients with Parkinson’s disease in Quebec, Canada by Véronique Baribeau, Shawn Mohammed, Amnah Awan, Diana Parison, Jean Lachaine

“…Methods: This was a retrospective observational study using data between 2010–2019 from the Régie de l’assurance maladie du Québec (RAMQ) databases. …”
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Study of Predictive Value of Middle Ear Risk Index on Hearing Improvement in Patients Undergoing Surgery for Chronic Suppurative Otitis Media by Bipin Kishore Prasad, Nitya Singh, Ramesh AV

“…Materials and Methods: This prospective observational study was done over 2 years in a tertiary care Army Hospital with 88 patients in the age group of 10-65 years. …”
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New aspects of investigating stress, anxiety, and depression in the Ryazan region population with arterial hypertension by Ayoub Glenza, Natalia V. Dobrynina, Sergey S. Yakushin, Alexander A. Dzekan

“…MATERIALS AND METHODS: This retrospective, observational study included 453 patients (284 women [62.7%] and 169 men [37.3%]) with confirmed arterial hypertension. …”
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Comparative analysis of the Global Initiative for Asthma and the South American guidelines for the diagnosis, management and prevention of asthma in pediatric patients by Leonardo Villegas Huertas, Mikel Silva Barrios, Jean Pierre Seguier Huamán, José Vela Ruiz, Joyce Desposorio Robles, Maria del Socorro Alatrista Gutiérrez

“…<br /><strong>Methods:</strong> descriptive observational study that compares the 2023 Global Initiative for Asthma guideline with national guidelines from the South American countries Colombia, Argentina, Chile, Uruguay, Venezuela and Peru, in the following parameters: diagnostic recommendations, management recommendations and prevention strategies.…”
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Prescribing Multiple Neurostimulants during Rehabilitation for Severe Brain Injury by Amy A. Herrold, Theresa Louise-Bender Pape, Ann Guernon, Trudy Mallinson, Eileen Collins, Neil Jordan

“…Data from 115 participants were extracted from a neurobehavioral observational study database for this exploratory, retrospective analysis. …”
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