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 (P=0.52). 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 (P=0.66). I2 = 0% | |||||