Table I.
Demographic and clinical characteristics of the study groups
| Normal Pregnancy (n=201) | SGA (n=145) | Preterm preeclampsia (n=17) | Term preeclampsia (n=39) | |
|---|---|---|---|---|
| Maternal Age (years) | 24 (21-29) | 24 (21-30) | 25 (21-32) | 22 (19-26) |
| Maternal height (cm) | 156 (153-160) | 154 (151-159) a | 157 (154-163) | 158 (153-163) |
| Pre-pregnancy weight (kg) | 58 (52-67) | 55 (50-65) | 65 (59-78) b | 62 (56-73) b |
| BMI (kg/m2) | 23.8 (21.2-26.9) | 23.4 (20.5-27) | 25.6 (23.6-30.5) b | 25 (23.4-27.8) |
| Nulliparity (%) | 49.3 (99/201) | 52.4 (76/145) | 52.9 (9/17) | 33.3 (13/39) |
| GA at first sample (weeks) | 12.2 (11-13.4) | 12.0 (10.7-13.7) | 11.6 (9.9-13.5) | 12 (10-12.7) |
| GA at second sample (weeks) | 22.3 (21.1-23.7) | 22.7 (21.3-23.9) | 23.4 (21.9-23.9) | 22.5 (21.3-23.6) |
| GA at delivery (weeks) | 39.7 (38.9-40.3) c | 39.4 (38.6-40.1) c | 34.7 (31.0-36.3) | 39 (38.1-39.6) c |
| Smoking (%) | 8 (16/201) | 10.3 (15/145) | 0 | 7.7 (3/39) |
| Birthweight (grams) | 3400 (3180-3655) b,c,d | 2780 (2560-2900) a,c,d | 1940 (1175-2470) a,b, d | 3270 (2820-3550) a,b,c |
| SGA neonate (%) | 0 b,c,d | 100 (145/145) a,c,d | 35.3 (6/17) a,b | 25.6 (10/39) a,b |
Data expressed as median (interquartile range) and percentage (proportion).
BMI: body mass index; GA: gestational age, SGA: small for gestational age.
a
Significantly different from normal pregnancy
b
Significantly different from SGA
c
Significantly different from preterm preeclampsia
d
Significantly different from term preeclampsia