Effects of neutrophil elastase inhibitor in patients undergoing esophagectomy: A systematic review and meta-analysis

Table 4 Summary of qualitative pooled data

Study	Kawah et al1		Makino et al2		Suda et al3
	SSHvscontrol	P value	SSHvscontrol	P value	SSHvscontrol	P value
Mechanical ventilation	24.5 (24.3-28.7) vs 24.5 (23.9-49.1)	0.796	89.5 (57.3, 121.7) vs 204 (77.4, 330.6)	0.046	1 (1-1.5) vs 1.5 (1-2)	0.008
ICU stay	64.0 (39-109) vs 74.5 (39.0-109)	0.481	5.7 (4.1, 7.4) vs 8.8 (5.5, 12.1)	0.048	1.5 (1.5-1.9) vs 2.5 (1.5-3.5)	0.018
SIRS	17 (9-36) vs 49 (15-60)	0.009	2.8 (2.1, 3.6) vs 5.6 (4.2,7.0	0.001	3.5 (2-5.8) vs 5 (3.8-10.8)	0.026
Postoperative hospital stay	32 (19-46) vs 31 (18-81)	0.853	31.4 (23.8, 38.9) vs 37.1 (31.1, 43.1)	0.077

¹Data is shown as the mean (range); ²Data is shown as the mean (95%CI); ³Data is shown as the median (inter-quartile range). SSH: Sivelestat sodium hydrate.