Efficacy and Safety of Yangyin Shuxin Decoction—a Chinese Herbal Medicine Formula For Heart Failure with Preserved Ejection Fraction: A Randomized Controlled Trial

Table 3

Comparison of outpatient costs in the YYSX group and control group at baseline, 2–4 weeks, 4–8 weeks, and 8–12 weeks.

Variables	YYSX group (n = 31)	Control group (n = 32)	P ^a
Baseline (yuan/day)	2.96 (7.48)	3.39 (3.87)	0.778
2–4 week (yuan/day)	3.20 (7.48)	3.64 (3.87)	0.385
4–8 week (yuan/day)	2.96 (8.02)	3.64 (3.85)	0.741
8–12 week (yuan/day)	2.96 (7.48)	3.85 (4.53)	0.880
P^b	0.331	0.967

Data are expressed by median (IQR). a refers to the analysis of Mann–Whitney nonparametric rank test, comparison between YYSX group and control group. b refers to the analysis of Friedman test, comparison between baseline, 2–4 week, 4–8 week, and 8–12 week.