Clinical diagnosis of seasonal influenza by physicians: a retrospective observational study by Hiroyuki Kato, Tadashi Kobayashi, Hiroki Maita, Takashi Akimoto, Fumihiko Matsuoka, Shigeki Funakoshi, Hiroshi Osawa

“…Objective To elucidate the diagnostic accuracy of pretest probability of influenza (%) by physicians and the factors affecting the clinical diagnosis.Design Retrospective, single-centre observational study.Setting A community primary care clinic in Japan.Participants The participants were recruited from a database of studies conducted during the influenza season from December 2017 to April 2019.Primary outcome measure Sensitivity and specificity of the physician’s clinical diagnosis of influenza recorded in the medical record as pretest probability.Results A total of 335 patients (median age, 31 years; male, 66.6%) were analysed in this study. …”
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Relation of Malnutrition and Nosocomical Infections in Cancer Patients in Hospital: An Observational Study by Bianca Tabita Muresan, Martín Núñez‐Abad, Ana Artero, Jaime Rios Rios, Alberto Jacobo Cunquero-Tomás, Vega Iranzo, Javier Garrido, Ana Jiménez-Portilla, Carlos Camps Herrero, Carlos J. Sánchez Juan

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Infant outcomes after exposure to Tdap vaccine in pregnancy: an observational study by Helen Petousis-Harris, Tony Walls, Patricia Graham, Nicola Austin, Linda Hill

“…We aimed to closely monitor infants exposed to Tdap during pregnancy to look for any adverse outcomes that may be attributable to the vaccine.Design This was a prospective observational study, collecting information to evaluate the safety of Tdap vaccine for infants exposed during pregnancy. …”
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On the time spent preparing grant proposals: an observational study of Australian researchers by Nicholas Graves, Adrian G Barnett, Philip Clarke, Danielle L Herbert

“…Objective To estimate the time spent by the researchers for preparing grant proposals, and to examine whether spending more time increase the chances of success.Design Observational study.Setting The National Health and Medical Research Council (NHMRC) of Australia.Participants Researchers who submitted one or more NHMRC Project Grant proposals in March 2012.Main outcome measures Total researcher time spent preparing proposals; funding success as predicted by the time spent.Results The NHMRC received 3727 proposals of which 3570 were reviewed and 731 (21%) were funded. …”
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Intralesional steroid injection in keloid ear — a prospective observational study by Vinod Bangalore Narayanaswamy, Tejaswini H, Saritha H M, Udayabhanu H N, Nagarathna H K

“…Methods This prospective observational study was conducted at our tertiary care institute over 1 and a half years. …”
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Running trends in Switzerland from 1999 to 2019: An exploratory observational study by Anja Witthöft, Thimo Marcin, Mabliny Thuany, Volker Scheer, Pantelis T. Nikolaidis, Matthias Wilhelm, Katja Weiss, Thomas Rosemann, Beat Knechtle

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Fucosylated haptoglobin promotes inflammation via Mincle in sepsis: an observational study by Taylor Roh, Sungeun Ju, So Young Park, Yeonghwan Ahn, Jiyun Chung, Miyako Nakano, Gyoungah Ryu, Young Jae Kim, Geumseo Kim, Hyewon Choi, Sung-Gwon Lee, In Soo Kim, Song-I Lee, Chaeuk Chung, Takashi Shimizu, Eiji Miyoshi, Sung-Soo Jung, Chungoo Park, Sho Yamasaki, Seung-Yeol Park, Eun-Kyeong Jo

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Paramedic Recognition of Sepsis in the Prehospital Setting: A Prospective Observational Study by Robert S. Green, Andrew H. Travers, Edward Cain, Samuel G. Campbell, Jan L. Jensen, David A. Petrie, Mete Erdogan, Gredi Patrick, Ward Patrick

“…Methods. Prospective observational study of adult patients (age ≥ 16 years) transported by paramedics to the emergency department (ED) of a Canadian tertiary hospital. …”
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Propensity Score Matching: should we use it in designing observational studies? by Fei Wan

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Initiation of insulin therapy in patients with type 2 diabetes: An observational study by Zerovnik Spela, Kos Mitja, Locatelli Igor

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Quality of Life of Palestinian Patients on Hemodialysis: Cross-Sectional Observational Study by Hani H. Naseef, Nadin Haj Ali, Arin Arafat, Sawsan Khraishi, Abdallah Damin AbuKhalil, Ni’meh Al-Shami, Hosniyeh Ladadweh, Mohammad Alsheikh, Abdullah K. Rabba, Imad T. Asmar, Yousef Sahoury

“…A multicenter cross-sectional observational study was conducted at multiple dialysis centers in Palestine, including 271 participants receiving renal replacement therapy. …”
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Running trends in Switzerland from 1999 to 2019: An exploratory observational study. by Anja Witthöft, Thimo Marcin, Mabliny Thuany, Volker Scheer, Pantelis T Nikolaidis, Matthias Wilhelm, Katja Weiss, Thomas Rosemann, Beat Knechtle

“…<h4>Methods</h4>In this exploratory observational study, we analyzed 1,172,836 finishers (370,517 women and 802,319 men) competing between 1999 and 2019 in 5 different race distances in Switzerland. …”
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Differences in Sexual Function Between Trimesters During Pregnancy: An Observational Study by Sunullah Soysal, Abdullah Sarioz, Umran Kilincdemir Turgut, Gokce Anik Ilhan, Yusuf Arman, Begum Yildizhan, Tanju Pekin

“…STUDY DESIGN: This observational study was conducted at a tertiary referral center with 372 pregnant women. …”
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Multiple Sclerosis Nursing to Improve Care and Education (MSNICE): an observational study by Liesbeth Van Hijfte, Melissa Cambron, Roel Crols, Gino De La Meilleure, Nelly Govers, Ludo Vanopdenbosch, Guy Laureys, Barbara Willekens, for the MSNICE Study Group

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Pediatric Appendicitis Score and Ultrasound in children with Acute Appendicitis: An Observational Study by Suyog Simkhada, Bijay Thapa, Anupama Thapa Basnet, Sijan Karki

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Experimental implementation of the peripheral nerve block clinical registry: an observational study by Ali Dabbagh, Firoozeh Madadi, Moein Ebrahimi, Shideh Dabir, Maryam Vosoughian, Mastaneh Dahi, Mohammadreza Moshari, Soudeh Tabashi, Mohsen Ariannik, Zahra Azizi

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The Global Burden and Trends of Legionella spp. Infection-Associated Diseases from 1990 to 2021: An Observational Study by Yonghong Zhong, Linfeng Shen, Yan Zhou, Yibo Sun, Xiaofang Fu, Huaqiong Huang

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Long COVID in patients with rheumatologic disease: A single center observational study by Horacio Quinones-Moya, Armando Ocampo-Del Valle, Adolfo Camargo-Coronel, Francisco Javier Jimenez-Balderas, Miriam Berenice Bernal-Enriquez, Pedro Madinabeitia-Rodríguez, Kenia Nahomi Morales-Medino, Cynthia Roque-Ibanez, Mario Raúl Hernandez-Zavala

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Increased Risk of Dementia in Patients with Antidepressants: A Meta-Analysis of Observational Studies by Yao-Chin Wang, Po-An Tai, Tahmina Nasrin Poly, Md Mohaimenul Islam, Hsuan-Chia Yang, Chieh-Chen Wu, Yu-Chuan (Jack) Li

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Impact of Dietary Intake and Cardiorespiratory Fitness on Glycemic Variability in Adolescents: An Observational Study by Mingliang Ge, Stephanie R Lebby, Shivani Chowkwale, Caleb Harrison, Grace M Palmer, Keith J Loud, Diane Gilbert-Diamond, Mary Ellen Vajravelu, Jennifer L Meijer

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