胸腹腔镜联合下食管癌切除术与开放手术疗效对比的Meta分析

表4 两组16项次要观察指标的比较

评价指标	纳入文献数	n	异质性检验	WMD/OR(95%CI)	合并效应量
手术时间	14	1398	P<0.00001, I2 = 97%	53.70(28.29, 79.11)	Z = 4.14, P<0.0001
平均住院天数	7	696	P<0.00001, I2 = 83%	-2.43(-5.69, 0.83)	Z = 1.46, P = 0.14
ICU停留时间	7	843	P<0.0001, I2 = 82%	0.15(-0.23, 0.53)	Z = 0.76, P = 0.45
术后住院天数	4	533	P<0.0001, I2 = 87%	-1.33(-2.59, -0.07)	Z = 2.07, P = 0.04
围手术期死亡率	8	757	P = 0.85, I2 = 0%	0.75(0.34, 1.66)	Z = 0.70, P = 0.48
呼吸系统并发症	9	882	P = 0.008, I2 = 61%	0.43(0.21, 0.86)	Z = 2.37, P = 0.02
喉返神经损伤	9	997	P = 0.007, I2 = 62%	0.90(0.28, 2.86)	Z = 0.19, P = 0.85
乳糜胸	9	840	P = 0.80, I2 = 0%	0.86(0.41, 1.80)	Z = 0.40, P = 0.69
二次手术	6	507	P = 0.41, I2 = 1%	0.88(0.49, 1.58)	Z = 0.43, P = 0.67
心律失常	7	698	P = 0.18, I2 = 33%	0.88(0.55, 1.40)	Z = 0.55, P = 0.58
吻合口狭窄	4	439	P = 0.08, I2 = 56%	2.02(0.71, 5.74)	Z = 1.33, P = 0.18
胃排空障碍	5	628	P = 0.14, I2 = 43%	0.59(0.26, 1.33)	Z = 1.27, P = 0.20
肺部感染	5	822	P = 0.05, I2 = 49%	0.59(0.28, 1.25)	Z = 1.38, P = 0.17
胸腔积液	5	426	P = 0.09, I2 = 50%	0.42(0.08, 2.21)	Z = 1.03, P = 0.30
肺栓塞	4	399	P = 0.61, I2 = 0%	0.46(0.11, 1.82)	Z = 1.11, P = 0.27
呼吸衰竭	3	256	P = 0.41, I2 = 0%	0.54(0.15, 2.03)	Z = 0.91, P = 0.36