TABLE 8.

Sensitivity analysis of surgery time

Excluded literature	SMD	95%CI	I2 (%)	P‐value
no	−0.38	[−1.16, 0.40]	92	0.34
Amar 2015	−0.64	[−1.64, 0.36]	93	0.21
Chen 2019	−0.38	[−1.49, 0.74]	95	0.51
Frank 2014	−0.59	[−1.67, 0.48]	94	0.28
Pan 2019	0.04	[−0.42, 0.51]	76	0.86