Table 1.
Predictors of Adjusted Delivery Cost in the Commercial Population
| Adjusted cost ratio (95% CI) | Adjusted mean cost (95% CI) | |
|---|---|---|
| Intercept | — | $15,607a |
| SMM (referent: no SMM) | 1.20 (1.17–1.24)b | $22,672 ($21,277–$24,154) |
| Delivery (referent: vaginal) | ||
| Cesarean | 1.17 (1.17–1.18)b | $22,103 ($21,220–$23,024) |
| Maternal age (referent: 31–35) | ||
| 14–18 | 0.94 (0.85–1.05) | $17,781 ($15,430–$20,490) |
| 19–24 | 0.94 (0.92–0.96)b | $17,692 ($16,726–$18,715) |
| 25–30 | 0.96 (0.94–0.97)b | $18,041 ($17,177–$18,949) |
| 36–40 | 1.02 (1.01–1.04)b | $19,287 ($18,339–$20,282) |
| 41–45 | 1.08 (1.04–1.11)b | $20,243 ($18,993–$21,575) |
| >45 | 1.09 (1.00–1.20)b | $20,590 ($18,151–$23,356) |
| Gestation status (referent: singleton) | ||
| Multifetal | 1.09 (1.07–1.11)b | $20,422 ($19,372–$21,528) |
| Region (referent: West) | ||
| Midwest | 0.86 (0.85–0.87)b | $16,242 ($15,522–$16,995) |
| Northeast | 1.22 (1.20–1.23)b | $22,929 ($21,890–$24,017) |
| South | 0.85 (0.85–0.86)b | $16,045 ($15,366–$16,756) |
| Pregnancy-related complication (referent: no presence of complications) | 1.04 (1.04–1.05)b | $19,633 ($18,843–$20,457) |
a
The intercept represents the adjusted mean cost estimate for a woman with no SMM, vaginal delivery, age 31–35, singleton, West, and no presence of complications.
b
Multivariate regression analysis statistically significant at p < 0.05.
CI, confidence interval; SMM, severe maternal morbidity.