| Classification | P | |
---|---|---|---|
Iron-responsive | Not iron-responsive | ||
(n 37) | (n 102)a | ||
Sociodemographic, clinical-obstetric, laboratorial characteristics at enrollment | |||
Age (Mean ± SD) | 26.3 ± 5.0 | 25.5 ± 4.7 | 0.387 |
Self-assigned ethnicity: n (%) | Â | Â | 0.784 |
 Pardo (brown) | 23 (62.2) | 54 (52.9) |  |
 Black | 6 (16.2) | 20 (19.6) | |
 White | 6 (16.2) | 19 (18.6) | |
 Others | 2 (5.4) | 9 (8.8) | |
BMI Atalah classification:b n (%) | Â | Â | 0.094 |
 Underweight | 6 (16.2) | 21 (20.8) |  |
 Health | 24 (64.8) | 47 (46.5) | |
 Overweight | 2 (5.4) | 22 (21.8) | |
 Obese | 5 (13.5) | 11 (10.9) | |
Educational level: n (%) | Â | Â | 0.255 |
 Incomplete primary/middle school | 1 (2.7) | 4 (3.9) |  |
 Complete primary/middle school | 26 (70.3) | 58 (56.9) | |
 Complete high school | 10 (27.0) | 32 (31.4) | |
 Complete graduation | 0 (0.0) | 8 (7.8) | |
Family income per capita (R$): Median (25th;75thcentiles) | 333.33 (269.58;483.33) | 350.00 (203.33;524.75) | 0.987 |
Months since the last delivery: Median (25th;75thcentiles) | 71.0 (44.3;90.6) | 59.0 (44.8;85.0) | 0.720 |
Nulliparous women: n (%) | 21 (56.8) | 58 (56.9) | 0.991 |
Women using iron-supplement for ≥1 month: n (%) | 3 (8.1) | 20 (19.6) | 0.083 |
Mean of Hb g/dL ± SD | 10.1 ± 0.76 | 10.4 ± 0.58 | 0.018 |
Mean of Hb Z-scores ± SD | -1.8 ± 0.81 | -1.4 ± 0.67 | 0.005 |
Serum ferritin (ng/mL): Median (25th;75thcentiles) | 19.0 (9.0;33.0) | 28.7 (11.1;53.0) | 0.060 |
Characteristics of the therapeutic test with oral iron | |||
Pregnancy weeks at start iron-therapy: Mean ± SD | 21.6 ± 5.6 | 23.1 ± 4.6 | 0.121 |
Iron-therapy duration (days): Mean ± SD | 52.6 ± 26.4 | 64.0 ± 26.1 | 0.025 |
Iron total doses: n (%) | Â | Â | 0.046 |
1200–1760 mg | 2 (5.4) | 10 (9.8) |  |
1800–2400 mg | 16 (43.2) | 22 (21.6) | |
>2400Â mg | 19 (51.4) | 70 (68.6) | |
Gastrointestinal symptoms after starting oral iron: n (%) | 29 (78.4) | 63 (61.8) | 0.054 |