Public versus private pediatric surgeons by region and hospital type
| Region, n (%) | Midwest | North | Northeast | South | Southeast | P value |
| Surgeons working primarily in public sector | 89 (70) | 45 (79) | 177 (83) | 185 (76) | 487 (69) | 0.30 |
| Surgeons working partially in the private sector | 113 (89) | 48 (84) | 179 (84) | 200 (83) | 586 (82) | 0.84 |
| Surgeons working only in the private sector | 39 (31) | 12 (21) | 35 (17) | 57 (24) | 217 (30) | 0.35 |
Number (n) is estimated based on sample weights, and percentages are based on weighted proportions. P values calculated using adjacent Wald χ2 tests.