Chinese Herbal Medicine Paratherapy for Parkinson's Disease: A Meta-Analysis of 19 Randomized Controlled Trials

Table 7

Forest plot of comparison: Chinese herbal medicine versus conventional treatment: UPDRS IV scores.

Study or subgroup	Experimental			Control				Mean difference	Mean difference
	Mean	SD	Total	Mean	SD	Total	Weight	IV, fixed, 95% CI	IV, fixed, 95% CI
Fan et al. [31]	3	2.708	30	3.73	2.716	30	5.4%	−0.73 [−2.10, 0.64]
Hong [30]	11.19	2.59	38	11.96	2.36	38	8.2%	−0.77 [−1.88, 0.34]
Kum et al. [27]	3.36	2.42	22	5.08	3.53	25	3.5%	−1.72 [−3 43, −0.01]
Luo et al. [21]	0.92	1.23	22	1.04	1.148	19	19.2%	−0.12 [−0.85, 0.61]
Pan et al. [35]	2.7	1.3	56	3	1.4	54	39.8%	−0.30 [−0.81, 0.21]
Wu et al. [34]	0.66	1.08	40	1.55	2.12	40	18.7%	−0.89 [−1.63, −0.15]
Zheng and Luo [22]	2.9	2.81	30	3.73	2.72	30	5.2%	−0.83 [−2.23, 0.57]
Total (95% Cl)			238			236	100.0%	−0.51 [−0.83, −0.20]
Heterogeneity: Chi^2 = 5.21; df = 6 (𝑃=0.52); l ^2 = 0%
Test for overall effect: 𝑍 = 3.16 (𝑃=0.002)