Table 6.

Comparison of acute CGA attack rates in the three groups during the study.

	Control group	Allopurinol group	Chuanhutongfeng mixture group	P-value
PP-analysis (cases/total, %)	6/52 (11.5%)	3/55 (5.45%)	1/58 (1.72%)	0.096
ITT-analysis (cases/total, %)	11/65 (16.92%)	8/65 (12.31%)	5/65 (7.69%)	0.277

CGA: chronic gouty arthritis; PP, per protocol; ITT, intention-to-treat.