Efficacy and Safety of Lianhuaqingwen Capsules for the Prevention of Coronavirus Disease 2019: A Prospective Open-Label Controlled Trial

Table 7

Positive rates of subjects in different age groups.

Age	Positive rate	N = 1976		value
		LH group	Control group
≤45		693	579	0.1518
	Positive, N (%)	2 (0.18)	6 (0.69)
<45		358	278	0.1736
≤70	Positive, N (%)	1 (0.09)	4 (0.46)
>70		50	18
	Positive, N (%)	0 (0.00)	0 (0.00)