Meta-Analysis on the Efficacy and Safety of Traditional Chinese Medicine as Adjuvant Therapy for Refractory Androgenetic Alopecia

Table 3

Subgroup analysis.

Subgroups	Trials	Effects model	Pooled effect	95% CI	P value
TER
TCM versus placebo	3	Fixed	OR 3.55	1.83–6.88	0.0002
TCM versus finasteride	7	Fixed	OR 2.58	1.83–3.64	<0.00001
TCM versus minoxidil	2	Fixed	OR 5.87	2.30–14.96	0.0002
TCM + minoxidil versus minoxidil	3	Fixed	OR 3.46	1.86–6.44	<0.0001
TCM versus vitamin B6+ cystine	7	Fixed	OR 3.26	2.23–4.78	<0.00001
Total 95%	22	Fixed	OR 3.14	2.53–3.90	<0.00001
Test for subgroup differences: chi-square = 3.22. df = 4 (). I2 = 0%
TSS
TCM versus conventional medicine	4	Random	MD-2.07	–3.12, –1.12	0.0001
TCM + conventional medicine versus conventional medicine	3	Random	MD-1.19	–1.8, –0.58	0.0001
Total 95%	7	Random	MD-1.46	–1.91, –1.01	<0.00001
Test for subgroup differences: chi-square = 0.2. df = 1 (). I2 = 0%