Table 3.
Predictors for insulin resistance in 250 Thai women with polycystic ovary syndrome.
| Variables | N | Presence of insulin resistance | |
|---|---|---|---|
| n (%) | OR (95% CI) | ||
| Age, yrs | |||
| <30 | 193 | 30 (15.5) | 1 |
| ≥30 | 57 | 20 (35.1) | 2.94 (1.50–5.73) |
| Body mass index, kg/m2 | |||
| <25 | 135 | 10 (7.4) | 1 |
| ≥25 | 115 | 40 (34.8) | 6.67 (3.15–14.11) |
| Waist circumference, cm | |||
| <80 | 128 | 7 (5.5) | 1 |
| ≥80 | 122 | 43 (35.2) | 9.41 (4.03–21.96) |
| Acanthosis nigricans | |||
| Absence | 182 | 20 (11.0) | 1 |
| Presence | 68 | 30 (44.1) | 6.40 (3.28–12.46) |
| Hypertension† | |||
| Absence | 234 | 42 (17.9) | 1 |
| Presence | 16 | 8 (50) | 4.57 (1.62–12.87) |
| Dyslipidemia‡ | |||
| Absence | 92 | 6 (6.5) | 1 |
| Presence | 158 | 44 (27.8) | 5.53 (2.25–13.58) |
| Hyperandrogenemia§ | |||
| Absence | 45 | 4 (8.9) | 1 |
| Presence | 205 | 46 (22.4) | 2.97 (1.00–8.71) |
†Hypertension: systolic blood pressure ≥140 mmHg or diastolic blood pressure ≥90 mmHg.
‡Dyslipidemia: cholesterol ≥200 mg/dL, high-density lipoprotein cholesterol <50 mg/dL, low-density lipoprotein cholesterol ≥160 mg/dL, or triglyceride ≥150 mg/dL.
§Hyperandrogenemia: total testosterone >0.8 ng/dL, free testosterone >0.006 ng/mL, or dehydroepiandrosterone sulphate >350 microgram/dL.
CI: confidence interval; OR: odds ratio.