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. 2021 Nov 30;8:790460. doi: 10.3389/fmed.2021.790460

Table 4.

Sensitivity analysis for main outcome: postoperative PVR occurrence.

Omitted study RR 95% CI P of chi-square I 2 Overall effect Selected model
None 0.69 0.39 1.24 0.03 66% P = 0.22 Random-effect model
Asaria et al. (16) 0.78 0.38 1.63 0.03 71% P = 0.51 Random-effect model
Zhu et al. (29) 0.83 0.45 1.54 0.06 64% P = 0.55 Random-effect model
Wickham et al. (18) 0.51 0.34 0.76 0.24 30%* P = 0.001** Fixed-effect model
Ganekal and Dorairaj (24) 0.65 0.28 1.49 0.01 77% P = 0.31 Random-effect model
*

Heterogeneity decreased after a particular study was omitted.

**

Overall effect changed when a particular study was omitted.