Table 1 Characteristics of women with and without hypertensive disorders in pregnancy, Nova Scotia, 1988–2000.
Variable | Normotensive n = 121,760 | Mild PIH n = 10,460 | Severe PIH n = 1,770 | HELLP n = 202 | Eclampsia n = 32 | Chronic HTN n = 767 | Chronic HTN +PIH n = 475 |
|---|---|---|---|---|---|---|---|
Mean age in years (SD) | 27.8 (5.3) | 27.5 (5.4)* | 26.9 (5.7)* | 28.9 (5.5)* | 25.6 (6.8)* | 31.1 (5.0)* | 30.5 (5.1)* |
Married (%) | 84,739 (69.6) | 7,530 (72.0) | 1,124 (63.5)* | 145 (71.8) | 18 (56.3) | 638 (83.2)* | 367 (77.3)* |
Nulliparous (%) | 51,057 (41.9) | 6,760 (64.6)* | 1,328 (75.0)* | 158 (78.2)* | 20 (62.5)* | 324 (42.2)* | 259 (54.5)* |
Mean prepregnancy weight in kg (SD) | 64.4 (13.8) | 70.6 (16.7)* | 67.6 (15.6)* | 66.8 (16.0)* | 68.2 (16.9) | 82.0 (20.9)* | 81.3 (20.9)* |
Mean weight gain in kg (SD) | 14.4 (6.0) | 16.2 (6.9)* | 16.5 (6.9)* | 14.8 (7.0) | 16.2 (6.2) | 12.2 (6.7)* | 13.2 (7.3)* |
Smokes any cigarettes (%) | 35,846 (30.7) | 2,157 (21.5)* | 376 (22.7)* | 31 (16.0)* | 6 (21.4) | 150 (20.4)* | 59 (13.0)* |
Anemia (%) | 3,441 (2.8) | 242 (2.3)* | 78 (4.3)* | 15 (7.4)* | 0 (0) | 31 (4.1) | 20 (4.2) |
Gestational Diabetes (%) | 2,749 (2.3) | 485 (4.6)* | 84 (4.8)* | 3 (1.5) | 2 (6.3) | 70 (9.1)* | 34 (7.2)* |
Preexisting Diabetes (%) | 331 (0.3) | 85 (0.8)* | 29 (1.6)* | 4 (2.0)* | 0 (0) | 19 (2.5)* | 9 (1.9)* |
Anti-hypertensive medication (%) | 0 (0) | 107 (1.0) | 97 (5.5) | 23 (11.4) | 5 (15.6) | 146 (19.0) | 122 (25.7) |
Twins (%) | 1,231 (1.0) | 244 (2.3)* | 60 (3.4)* | 13 (6.4)* | 0 (0) | 7 (0.9) | 13 (2.7)* |