Table 2.

Sensitivity analysis by sequentially excluding each study from the meta-analysis.

Excluded Study	Heterogeneity I2 (%)	Statistical Model	Odds Ratio (95% CI)
None	30	Fixed	1.73 (1.44, 2.07)
Kleibl, 2009	42	Fixed	1.71 [1.42, 2.06]
Deenen, 2011	32	Fixed	1.78 [1.47, 2.14]
Boige, 2016	44	Fixed	1.75 [1.40, 2.19]
Pellicer, 2017	40	Fixed	1.70 [1.41, 2.05]
Madi, 2018	31	Fixed	1.49 [1.09, 2.02]
Iachetta, 2019	0	Fixed	1.62 [1.34, 1.96]

CI: confidence interval.