Table 5 Adjusted odds ratio of obstetric outcomes across diastolic blood pressure subgroups
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) | |
|---|---|---|---|---|---|---|
Preeclampsia | 0.463 (0.421,0.510) | 0.635 (0.569,0.708) | 0.799 (0.734,0.871) | reference | 1.395 (1.276,1.526) | 2.423 (2.140,2.743) |
Placenta abruptio | 1.045 (0.859,1.272) | 1.051 (0.839,1.316) | 0.999 (0.822,1.214) | reference | 1.170 (0.943,1.453) | 1.191 (0.815,1.740) |
Stillbirth | 0.831 (0.427,1.618) | 0.876 (0.404,1.896) | 0.559 (0.278,1.124) | reference | 1.307 (0.650,2.627) | 1.053 (0.296,3.745) |
(n = 102,370) | (n = 39,664) | (n = 110,087) | (n = 29,539) | (n = 45,231) | (n = 6255) | |
Preterm birth | 0.900 (0.826,0.979) | 0.940 (0.851,1.037) | 0.960 (0.884,1.044) | reference | 1.077 (0.982,1.182) | 1.345 (1.152,1.569) |
LBW | 0.819 (0.763,0.879) | 0.847 (0.780,0.920) | 0.886 (0.826,0.949) | reference | 1.012 (0.936,1.094) | 1.216 (1.064,1.390) |
Composite morbiditya | 0.776 (0.735,0.820) | 0.824 (0.773,0.879) | 0.899 (0.852,0.948) | reference | 1.141 (1.076,1.209) | 1.560 (1.420,1.715) |