Effect of Chinese herbal medicine enema on postoperative gastrointestinal function in gastric cancer patients: A meta-analysis

Figure 2 Meta-analysis of the effect of Chinese herbal enema on time to first flatus in postoperative gastric cancer patients. This forest plot includes 6 randomized controlled trials, using a fixed-effects model to analyze the effect of Chinese herbal enema treatment on postoperative gastrointestinal function in gastric cancer patients. Results show: Pooled effect size mean difference = -10.36 (95% confidence interval: -11.36 to -9.35, Z = 20.19, P < 0.00001), suggesting that Chinese herbal enema can significantly improve postoperative gastrointestinal function. Heterogeneity test I² = 0% (P = 0.46), indicating good homogeneity among studies. Squares represent effect sizes of individual studies, horizontal lines represent 95% confidence intervals, and the diamond represents the pooled effect size. CI: Confidence interval.