Laparoscopic Major Gastrointestinal Surgery Is Safe for Properly Selected Patient with COPD: A Meta-Analysis

Table 2

Summary of meta-analysis.

Outcome of interest	Statistical method	Number of studies	MD/OR	95% CI	P value	Heterogeneity
						P	I^2
Operating time	Random	5	17.71	, 36.29	0.06	<0.00001	94%
Intraoperative blood loss	Random	4		,	<0.00001	<0.00001	93%
Length of hospital stay	Fixed	3		,	<0.00001	0.99	0%
Pulmonary complications	Fixed	6	0.58	0.48, 0.71	<0.00001	0.42	0%
Pneumonia	Fixed	5	0.53	0.41, 0.67	<0.00001	0.57	0%
Atelectasis	Fixed	5	0.46	0.19, 1.12	0.09	0.54	0%
Wound infection	Fixed	5	0.51	0.42, 0.63	<0.00001	0.99	0%
Abdominal abscess	Fixed	3	0.59	0.44, 0.79	0.0004	0.24	30%
Postoperative bleeding	Fixed	3	0.40	0.08, 2.04	0.27	0.53	0%
Anastomotic leakage	Fixed	4	0.94	0.40, 2.25	0.90	0.93	0%
Pancreatitis fistula	Fixed	3	0.82	0.31, 2.20	0.70	0.27	24%
Ileus	Fixed	4	0.61	0.28, 1.31	0.20	0.76	0%

MD = mean difference, OR = odds ratio, and CI = confidence interval.
Significant difference, P < 0.05.
Significant difference, P < 0.01.