Hospital characteristics. means with SD in parentheses
| Intervention | Matched control | Overall | |
| N=10 | N=10 | N=20 | |
| Attendances | 1 167 058 (506 825) | 1 341 442 (750 439) | 1 254 250 (646 233) |
| Degree of specialisation | 83 739 (80 639) | 138 747 (135 068) | 105 623 (113 366) |
| Deprivation | 24 (7) | 23 (5) | 23 (6) |
Further details available from NHS Digital Per Finder Tool.15