Table 1 Overall core-based statistical area summary statistics
From: Geographic variation in cesarean delivery in the United States by payer
| Â | Mean | Standard deviation | Coefficient of variation |
|---|---|---|---|
Total population (N) | 331,792 | 1,095,916 | 3.30 |
Hospital births (N) | 4,301 | 14,344 | 3.33 |
Patient race (%) | Â | Â | Â |
White | 77.15 | 18.37 | 0.24 |
African American | 8.15 | 10.89 | 1.34 |
Hispanic | 10.00 | 14.91 | 1.49 |
Other | 4.70 | 6.49 | 1.38 |
Other population characteristics | Â | Â | Â |
Population aged 25 years or older with bachelor's degree or higher (%) | 21.24 | 7.85 | 0.37 |
Population below poverty level (%) | 15.49 | 5.12 | 0.33 |
Gini Index | 0.44 | 0.03 | 0.07 |
Hospital market share (Herfindahl-Hirschman Index) | 69.65 | 31.34 | 0.45 |
Market characteristics | Â | Â | Â |
Average malpractice payment ($) | $350,846 | $117,612 | 0.34 |
Acute care beds: teaching hospital (%) | 21.64 | 34.95 | 1.62 |
Acute care hospitals: bed size 0–99 (%) | 63.46 | 39.11 | 0.62 |
For-profit hospitals (%) | 19.30 | 28.50 | 1.48 |
Acute care beds per 1,000 capita | 1.65 | 0.86 | 0.52 |
Obstetric beds per 1,000 capita | 0.22 | 0.13 | 0.58 |
Neonatal intensive care unit beds per 1,000 capita | 0.04 | 0.07 | 1.90 |
Professional support | Â | Â | Â |
Primary care medical doctors per 100,000 capita | 55.19 | 19.37 | 0.35 |
Physician assistants per 100,000 capita | 22.61 | 15.86 | 0.70 |
Obstetric/gynecologic physicians per 100,000 capita | 8.04 | 3.99 | 0.50 |
Midwives per 100,000 capita | 1.97 | 2.62 | 1.33 |