Manzo C, Natale M, Traini E. Diagnosis of polymyalgia rheumatica in primary health care : Favoring and confounding factors- a cohort study. Reumatologia. 2018; 56:131-39.
In cohort studies:In cohort studies, the selection of the exposed and unexposed groups takes place before the outcome of interest is developed, hence selection bias is less likely to occur. Nonetheless, bias may occur if there is variation in the follow-up or identification of cases across dif...
Proton pump inhibitors and the risk of hospitalisation for community-acquired pneumonia: replicated cohort studies with meta-analysis Objective Previous observational studies suggest that the use of proton pump inhibitors (PPIs) may increase the risk of hospitalisation for community-acqui... Kristian,B,...
In this article we review examples from the published literature to demonstrate how confounding by indication can affect the findings of pharmacoepidemiologic studies relating analgesic use to various health outcomes. 展开 关键词: Keywords non-narcotic analgesics confounding factors epidemiology acetaminophen...
These analyses depend on a number of potentially confounding factors such as nonstomatal transpiration and temperature.这些分析取决于非气孔蒸腾和温度这样一些可能混淆的因素。 Information on potential confounding factors was obtained from the interviews and medical charts.自访谈和病历得到有关潜在的致混淆因素...
The combined investigation of environmental and genetic risk-factors in complex traits will refocus attention on the case-control study. Endometriosis is a... KT Zondervan,LR Cardon,SH Kennedy - 《Human Reproduction》 被引量: 592发表: 2002年 Appendectomy and the risk of developing ulcerative coliti...
Information on potential confounding factors was obtained from the interviews and medical charts. 自访谈和病历得到有关潜在的致混淆因素。 权威例句 Confounding: essence and detection. Equivalence of the Mediation, Confounding and Suppression Effect
of Health American Association of Retired Persons (NIH-AARP) Diet and Health Study to assess the impact of health behaviour related factors (lifestyle, education, and use of non-steroidal anti-inflammatory drugs [NSAID]) on the association between colonoscopy and colorectal cancer (CRC) mortality....
Re: Association between bisphosphonate use and implant survival after primary total arthroplasty of the knee or hip: population based retrospective cohort ... ReoperationConfounding Factors (EpidemiologyHip ProsthesisObjectivesTo test whether bisphosphonate use is related to improved implant survival after tot...
The case-crossover method provides an additional technique for reducing unmeasured confounding in studies of condom effectiveness. 展开 关键词: chlamydia confounding factors (epidemiology) contraceptive devices, male cross-over studies epidemiologic methods gonorrhea HIV infections sexually transmitted diseases ...