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Table 2 Distribution of conditions included in the obstetric comorbidity index among women delivering in Georgia, 2008–2012

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%)
  1. aData was limited to singleton delivery by birth certificate