The Strengthening the Reporting of Observational Studies in Epidemiology (STROBE) Statement: Guidelines for reporting observational studies (original) (raw)

“…Two independent investigators (QN Zeng, B Hou) assessed the quality of the included studies according to Study OBservational studies in Epidemiology (STROBE) recommendations with an adjustment to the specific characteristics of the study [15]. The score of each article was assessed based on whether the following criteria were clearly stated: study hypothesis, tumor stage, description of eligibility criteria, whether patients with VTE or receive anticoagulation therapy were excluded, outcome endpoints definition, confounding factors considered in multivariate analysis, follow-up period, limitations and bias.…”