From: Measurement properties of comorbidity indices in maternal health research: a systematic review
Study | Year | Design | n | Comorbidity Index | Outcome | C-statistic (95% CI) |
---|---|---|---|---|---|---|
Bateman et al. [27] | 2013 | Retrospective Cohort | 854,823 | The maternal comorbidity index | Organ injury or death | 0.657 (0.647–0.666) |
 |  |  |  | The Charlson comorbidity index | Organ injury or death | 0.578 (0.570–0.585) |
 |  |  |  | The Elixhauser comorbidity Index | Organ injury or death | 0.586 (0.575–0.597) |
Metcalfe et al. [28] | 2015 | Retrospective Cohort | 5995 | The maternal comorbidity index | Organ injury | 0.67 (0.58–0.76) |