Pulmonary recruitment maneuver reduces the intensity of post-laparoscopic shoulder pain: a systematic review and meta-analysis

Table 4 The sensitivity analysis of shoulder pain score at 48 h after operation

Removed sutdy	MD	95% CI	Z value	P value	I²
Güngördük, K. [26]	–1.16	(–1.71, − 0.62)	4.17	< 0.001	57%
Lee J. [28]	–0.97	(-1.57, − 0.36)	3.13	0.002	85%
Sharami SH. [30]	–0.96	(–1.73, − 0.19)	2.45	< 0.01	83%
Tsai HW. [32]	–1.06	(–1.73, − 0.40)	3.14	0.002	87%
Tsai HW. [31]	–1.08	(–1.76, − 0.40)	3.09	0.002	87%
Ryu K. [35]	–0.78	(–1.35, − 0.21)	2.68	0.007	80%
Ryu KH. [29]	–0.84	(–1.45, − 0.22)	2.66	0.008	84%
Tsai HW. [36]	–0.92	(–1.57, − 0.26)	2.75	0.006	86%

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