Table 3.
Comparison of hematological parameters in thyroid dysfunction and euthyroid pregnant women.
| Hypothyroidism | Hyperthyroidism | Euthyriod | |
|---|---|---|---|
| First half of pregnancy | |||
| N | 58 | 65 | 74 |
| Gestational weeks (w)c | 12.5 (10-16) | 13 (8-16)d | 14 (10.75–17) |
| Hb (g/L)c | 127.5 (118.75–132.25) | 129 (123–135.5) | 125.5 (118.5–133) |
| RBC (1012/L)c | 4.29 (3.89–4.60) | 4.40 (4.16–4.59)d | 4.16 (3.83–4.37) |
| HCT (L/L)a | 0.38 ± 0.04 | 0.38 ± 0.03b | 0.37 ± 0.03 |
| Second half of pregnancy | |||
| n | 52 | 61 | 71 |
| Gestational weeks (w)c | 27 (24-31)d | 29 (25.5–32) | 29 (25-33) |
| Hb (g/L)c | 115 (108–123)d | 120 (116–127) | 120 (114–123) |
| RBC (1012/L)c | 3.82 (3.59–4.17) | 4.01 (3.73–4.3)d | 3.78 (3.61–3.99) |
| HCT (L/L)a | 0.35 ± 0.03 | 0.36 ± 0.03 | 0.35 ± 0.03 |
| Change from first half to second half of pregnancy | |||
| Hb (g/L)c | 12.60 ± 9.34b | 8.46 ± 8.36 | 7.85 ± 9.23 |
| RBC (1012/L)c | 0.52 ± 0.40b | 0.41 ± 0.35 | 0.32 ± 0.36 |
| HCT (L/L)a | 0.03 (0.01–0.05)d | 0.02 (0–0.04) | 0.01 (0–0.03) |
Hb, Hemoglobin; RBC, red blood cell; HCT, hematocrit; n, the number of patients.
a
Means ± SD,
b
P < 0.05 compared with euthyroid group,
c
Median (interquartile range),
d
P < 0.05 compared with euthyroid group.