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

Table 5

Metaregression analysis of primary anastomotic rate of semielective surgery after SEMS installation versus emergency surgery.

Variable	𝑍 value	𝑃 value	Tau^2 value
Gender	0.2745	0.7837	0.0991
Publication year	−0.7392	0.4598	0.0632
Sample size	3.0548	0.0023	0.0006
Age in SEMS group	−0.1638	0.8699	0.0903
Age in emergency group	0.1639	0.8698	0.0897