Table 2 Characteristics of studies included in the meta-analysis for An/Et
From: 5α-reductase activity in women with polycystic ovary syndrome: a systematic review and meta-analysis
Study | Year | Country | Diagnosis Criteria | Npcos | Ncontrol | Matched factors | BMI | HOMA | 5α- reductase level (An/Et ratio) | NOS scores |
|---|---|---|---|---|---|---|---|---|---|---|
ANDREW RODIN | 1994 | UK | NIH | 65 | 45 | age, BMI | ≥25 | NR | NS | 6 |
D. Chin | 2000 | USA | NIH | 9 | 29 | age, BMI | <25 | NR | ↑ | 5 |
TASOULA TSILCHOROZIDOU | 2003 | UK | NIH | 18 | 19 | age, BMI | <25 | 1.29 | NS | 6 |
Dimitra A. Vassiliadi | 2009 | UK | Rotterdam criteria | 75 | 28 | BMI | <25 | 1.3 | ↑ | 5 |
Dimitra A. Vassiliadi | 2009 | UK | Rotterdam criteria | 103 | 72 | BMI | ≥25 | 3.1 | ↑ | 5 |
Michael W. O’Reilly | 2014 | UK | Rotterdam criteria | 86 | 43 | age, BMI | ≥25 | 2.3 | ↑ | 7 |