From: Methodology for sampling women at high maternal risk in administrative data
Total n = 550,237 | Rate per 1000 deliveries | Women with poor maternal outcome n = 2654 | |
---|---|---|---|
Previous cesarean delivery | 93,634 | 170.2 | 648 (24.4%) |
Maternal age (years) | |||
Older than 44 | 673 | 1.22 | 12 (0.4%) |
40–44 | 12,499 | 22.72 | 136 (5.1%) |
35–39 | 57,879 | 105.19 | 429 (16.2%) |
Gestational hypertension | 24,632 | 44.77 | 150 (5.7%) |
Mild or unspecified preeclampsia | 16,350 | 29.71 | 332 (1.2%) |
Asthma | 12,159 | 22.10 | 87 (3.2%) |
Severe Preeclampsia or Eclampsia | 7062 | 12.8 | 550 (20.7%) |
Pre-existing diabetes mellitus | 4638 | 8.43 | 87 (3.3%) |
Drug abuse | 3947 | 7.17 | 39 (1.5%) |
Pre-existing hypertension | 2471 | 4.49 | 100 (3.8%) |
Placenta previa | 2439 | 4.43 | 117 (4.4%) |
Cardiac valvular disease | 2073 | 3.77 | 32 (1.2%) |
Chronic renal disease | 1258 | 2.29 | 81 (3.1%) |
HIV | 974 | 1.77 | 7 (0.3%) |
Sickle cell disease | 875 | 1.59 | 114 (4.3%) |
Systemic lupus erythematosus | 601 | 1.09 | 14 (0.5%) |
Multiple gestationa | 588 | 1.07 | 7 (0.3%) |
Congenital heart disease | 374 | 0.68 | 12 (0.5%) |
Alcohol Abuse | 272 | 0.49 | 4 (0.2%) |
Pulmonary hypertension | 88 | 0.16 | 13 (0.5%) |
Chronic ischemic heart disease | 71 | 0.13 | 2 (0.1%) |
Chronic congestive heart failure | 31 | 0.05 | 7 (0.3%) |