Figure 4.

Efficacy of CHD compared with WM in pathological improvement

Note: CHD, Chinese herbal decoction; WM, western medicine; Int. CHD-WM, integrated Chinese herbal decoction and western medicine; 95% CI, 95% confidence interval. Each point on the figure represents a relative risk (RR). The diamond represents the pooled estimate of effect, as calculated according to the random effects model. RR<1 means numerically lower response rate than WM, and RR>1 numerically higher response rate than WM. 95% CI doesn’t include the number 1 means statistical difference between the two group Adverse events