Figures & data
Figure 1. PRISMA flow diagram. *Consider, if feasible to do so, reporting the number of records identified from each database or register searched (rather than the total number across all databases/registers). **If automation tools were used, indicate how many records were excluded by a human and how many were excluded by automation tools.
![Figure 1. PRISMA flow diagram. *Consider, if feasible to do so, reporting the number of records identified from each database or register searched (rather than the total number across all databases/registers). **If automation tools were used, indicate how many records were excluded by a human and how many were excluded by automation tools.](/cms/asset/412834f0-9634-46c9-b06e-9eceb59105bb/ijmf_a_2205986_f0001_c.jpg)
Table 1. Study characteristics of the included studies.
Table 2. Patient characteristics of the included studies.
Table 3. Leave-one-out meta-analysis.