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Table 3 Odds ratios reflecting per-year change in severe maternal morbidity, with and without adjustment for selected risk factors, California, 2007–2014, n = 3,556,206

From: The contribution of maternal characteristics and cesarean delivery to an increasing trend of severe maternal morbidity

Regression model terms Odds ratio for year (95% CI)
Year 1.07 (1.07, 1.08)
Year + sociodemographic & obstetric factors 1.07 (1.07, 1.08)
Year + sociodemographic & obstetric factors + advanced maternal age + obesity + comorbidity + cesarean delivery 1.07 (1.07, 1.08)
  1. CI, confidence interval
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