Randomized, Double-Blinded, Multicenter, Placebo-Controlled Trial of Shenfu Injection for Treatment of Patients with Chronic Heart Failure during the Acute Phase of Symptom Aggravation (Yang and Qi Deficiency Syndrome)

Table 3

Comparison of improvement in TCM syndrome score between SFI and placebo groups.

	Excellent	Valid	Invalid	Worsened	Effective rate	Statistics	P value
SFI (n=74)	22	44	7	1	89.19%	16.3459	<0.001
Control (n=70)	14	28	28	0	60.00%

Effective rate was defined as proportion of all patients who experienced an excellent or valid outcome. Similarly, the ineffective rate was defined as the proportion of all patients who experienced an invalid and worsened outcome.