| Univariate analysis | Multivariate analysis | ||
---|---|---|---|---|
OR (95% CI) | p value | Adjusted OR (95% CI) | p value | |
DHEA-S, μg/dl | ||||
  < 180 vs. ≥ 180 | 6.62(1.90–22.73) | 0.003 | 5.92(1.48–23.26) | 0.012 |
Age, years | 0.94(0.80–1.09) | 0.404 |  |  |
BMI, kg/m2 | 1.00(0.84–1.20) | 0.986 |  |  |
Infertility duration | 1.03(0.92–1.16) | 0.620 |  |  |
Previous IVF attempts, n | 1.07(0.86–1.34) | 0.541 |  |  |
Types of infertility | ||||
 Primary vs. Secondary | 1.81(0.65–5.02) | 0.258 |  |  |
aBologna criteria category | ||||
 (1 + 3) vs. (1 + 2) | 0.09(0.01–1.00) | 0.050 | 0.22(0.02–2.92) | 0.253 |
 (2 + 3) vs. (1 + 2) | 0.18(0.02–1.92) | 0.154 | 0.43(0.03–6.05) | 0.530 |
 (1 + 2 + 3) vs. (1 + 2) | 0.09(0.01–0.97) | 0.047 | 0.17(0.01–2.05) | 0.164 |