The Safety and Efficiency of Surgery with Colonic Stents in Left-Sided Malignant Colonic Obstruction: A Meta-Analysis

Table 7

Metaregression analysis of overall complication rate of semielective surgery after SEMS installation versus emergency surgery.

Variable	𝑍 value	𝑃 value	Tau^2 value
Gender	0.0497	0.9603	0.8032
Publication year	2.4884	0.0128	0.0839
Sample size	1.6821	0.0925	0.2822
Age in SEMS group	1.4836	0.1379	0.2976
Age in emergency group	1.6183	0.1056	0.3406