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Table 3 Bowel functional outcomes

From: Colonic J-pouch versus side-to-end anastomosis for rectal cancer: a systematic review and meta-analysis of randomized controlled trials

Bowel functional outcomes No. of studies J-pouch Side-to-end I2 (%) Analysis model OR/WMD 95% CI P value
Patients Mean/rate Patients Mean/rate
Baseline
 Stool frequency 3 122 1.1# 134 1.3# 71 Random − 0.19 − 0.42, 0.03 0.09
 Urgency 3 92 11%^ 97 8%^ 19 Fixed 1.32* 0.52, 3.39 0.56
 Incomplete defecation 2 74 4%^ 74 1%^ 0 Fixed 2.39* 0.34, 16.67 0.38
Short term
 Stool frequency 5 195 2.7# 208 3.0# 95 Random − 0.30 − 1.04, 0.44 0.42
 Urgency 4 115 30%^ 121 41%^ 0 Fixed 0.53* 0.28, 1.00 0.05
 Incomplete defecation 3 97 35%^ 98 27%^ 0 Fixed 1.65* 0.83, 3.28 0.15
Medium term
 Stool frequency 4 164 2.6# 173 2.9# 96 Random − 0.32 − 1.10, 0.45 0.41
 Urgency 3 84 37%^ 86 48%^ 42 Fixed 0.67* 0.34, 1.29 0.23
 Incomplete defecation 2 66 36%^ 63 51%^ 31 Fixed 0.56* 0.28, 1.12 0.10
Long term
 Stool frequency 3 135 1.4# 138 1.8# 91 Random − 0.34 − 0.84, 0.16 0.19
 Urgency 2 55 22%^ 51 39%^ 0 Fixed 0.40* 0.16, 1.01 0.05
 Incomplete defecation 2 55 33%^ 51 39%^ 0 Fixed 0.71* 0.31, 1.62 0.41
  1. OR odds ratio, #pooled mean, ^pooled rate, WMD weighted mean difference, CI confidence interval, *OR, WMD