Fig. 3From: Bedside ultrasound to detect central venous catheter misplacement and associated iatrogenic complications: a systematic review and meta-analysisDeek’s funnel plot asymmetry test for 18 studies in which both specificity and sensitivity could be estimated. The risk of bias when only the 18 studies are included in Deek’s funnel plot asymmetry test for which both sensitivity and specificity could be estimated (p = 0.37). ESS effective sample sizeBack to article page