Supplementary Fig 2 (online only).

Publication bias analysis of VTE, DVT, and PE in ICU patients. In (A, C and E) Potential asymmetry of trials' distribution, which indicates a lack of relevant trials with high quality included in the comparisons. The results of the Egger's test in B, D and F suggested potential publication bias in the results of DVT prevalence in ICU patients, and no publication bias of PE and VTE prevalence in ICU patients. DVT, Deep vein thrombosis; ICU, intensive care unit; PE, pulmonary embolism; VTE, venous thromboembolism.