Table 8 Pregnancy and neonatal outcomes of the study population by pre-pregnancy diastolic blood pressure
From: Pre-pregnancy blood pressure and pregnancy outcomes: a nationwide population-based study
< 65 (n = 115,678) | 65 – 69 (n = 45,474) | 70 – 74 (n = 123,087) | 75 – 79 (n = 33,579) | 80 – 84 (n = 50,349) | 85 – 89 (n = 7138) | P-valuea | |
|---|---|---|---|---|---|---|---|
Pregnancy outcome | |||||||
Cesarean section (n, %) | 36,961 (32.0) | 15,061 (33.1) | 41,489 (33.7) | 11,742 (35.0) | 18,145 (36.0) | 2873 (40.3) | < .0001 |
Preeclampsia (n, %) | 1067 (0.9) | 597 (1.3) | 2041 (1.7) | 738 (2.2) | 1543 (3.1) | 417 (5.8) | < .0001 |
GDM (n, %) | 2940 (2.5) | 1429 (3.1) | 3290 (2.7) | 1206 (3.6) | 1588 (3.2) | 311 (4.4) | < .0001 |
PPH (n, %) | 9455 (8.2) | 3911 (8.6) | 10,141 (8.2) | 2954 (8.8) | 4037 (8.0) | 671 (9.4) | < .0001 |
Placenta abruptio (n,%) | 457 (0.4) | 184 (0.4) | 466 (0.4) | 130 (0.4) | 225 (0.5) | 34 (0.5) | 0.361 |
Placenta previa (n, %) | 1247 (1.1) | 487 (1.1) | 1326 (1.1) | 388 (1.2) | 510 (1.0) | 87 (1.2) | 0.3873 |
Stillbirth (n, %) | 32 (0.0) | 14 (0.0) | 23 (0.0) | 12 (0.0) | 23 (0.1) | 3 (0.0) | 0.0608 |
Neonatal outcomes | |||||||
(n = 102,370) | (n = 39,664) | (n = 110,087) | (n = 29,539) | (n = 45,231) | (n = 6255) | ||
Neonatal sex–male (n, %) | 52,720 (51.5) | 20,454 (51.6) | 56,627 (51.4) | 15,045 (51.0) | 23,081 (51.0) | 3264 (52.2) | 0.1861 |
Preterm birth (n, %) | 2215 (2.2) | 911 (2.3) | 2566 (2.3) | 733 (2.5) | 1206 (2.7) | 217 (3.5) | < .0001 |
Birth weight (g) | 3215 (0.4) | 3221 (0.5) | 3215 (0.4) | 3211 (0.5) | 3212 (0.5) | 3215 (0.5) | 0.0662 |
LBW (n, %) | 3096 (3.0) | 1251 (3.2) | 3589 (3.3) | 1094 (3.7) | 1684 (3.7) | 284 (4.5) | < .0001 |
Composite morbidityb | 5028 (4.9) | 2100 (5.3) | 6308 (5.7) | 1918 (6.5) | 3318 (7.3) | 642 (10.3) | < .0001 |