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Baseline characteristics of pregnant women with thalassemia trait and controls
| Characteristics | Study group (n = 739) | Control group (n = 799) | P value |
|---|---|---|---|
| Maternal age (years) | |||
| ≤18 | 11 | 5 | 0.115 |
| 18–35 | 608 | 611 | |
| ≥35 | 136 | 163 | |
| Parity | |||
| Nulliparous | 445 (60.2)a | 392 (49.1) | 0.001 |
| Parous | 294 (39.8) | 407 (50.9) | |
| Mean BMI (kg/m2) | 27.47 ± 3.63 | 26.62 ± 4.33 | 0.000 |
| Hb level (g/dl) | 11.27 ± 1.08 | 12.35 ± 1.03 | 0.000 |
| Primary education or less | 350 (47.4)a | 385 (48.2) | 0.30 |
aValues are given as number (%)
