Surgeon pairs and arrival-to-delivery interval in emergency category one/two and three
| Surgeon pairs qualifications ‘surgeon’ + ‘surgeon 2’ | Emergency category | ||||
| One–three totals | One/two | Three | |||
| N (%) | N (%) | Mean (SD) Minutes | N (%) | Mean (SD) Minutes | |
| Gynaecologist +missing | 127 (5.3) | 80 (6.7) | 18.3 (0.9) | 47 (3.8) | 26.1 (1.6) |
| Gynaecologist +gynaecologist | 8 (0.3) | 2 (0.2) | 15.5 (0.5) | 6 (0.5) | 26.8 (4.7) |
| Gynaecologist +obstetrician | 8 (0.3) | 5 (0.4) | 20.4 (3.0) | 3 (0.2) | 23.3 (4.6) |
| Gynaecologist +resident | 185 (7.7) | 112 (9.4) | 19.3 (0.7) | 73 (6.0) | 27.0 (1.2) |
| Obstetrician +missing | 262 (10.9) | 119 (10.0) | 20.1 (1.0) | 143 (11.7) | 28.6 (0.7) |
| Obstetrician +gynaecologist | 15 (0.6) | 2 (0.2) | 25.0 (7.0) | 13 (1.0) | 32.7 (2.9) |
| Obstetrician +obstetrician | 70 (2.9) | 23 (1.9) | 18.2 (1.3) | 47 (3.8) | 29.3 (1.5) |
| Obstetrician +resident | 391 (16.3) | 204 (17.2) | 18.8 (0.5) | 187 (15.3) | 28.8 (0.7) |
| Senior resident +missing | 113 (4.7) | 61 (5.2) | 18.9 (0.8) | 52 (4.3) | 30.0 (1.3) |
| Senior resident +gynaecologist | 92 (3.8) | 56 (4.7) | 17.8 (0.9) | 36 (2.9) | 29.2 (1.7) |
| Senior resident +obstetrician | 137 (5.7) | 76 (6.4) | 19.8 (0.9) | 61 (5.0) | 31.2 (1.2) |
| Senior resident +resident | 325 (13.5) | 183 (15.4) | 19.2 (0.5) | 142 (11.6) | 29.1 (0.8) |
| Resident +missing | 68 (2.8) | 33 (2.8) | 17.0 (1.0) | 35 (3.0) | 28.2 (1.3) |
| Resident +gynaecologist | 136 (5.6) | 57 (4.8) | 19.1 (0.8) | 79 (6.5) | 27.0 (0.9) |
| Resident +obstetrician | 249 (10.3) | 79 (6.7) | 19.6 (0.7) | 170 (13.9) | 30.3 (0.6) |
| Resident +resident | 223 (9.3) | 95 (8.0) | 19.6 (0.8) | 128 (10.5) | 30.6 (1.0) |
| Total number | 2409 (100) | 1187 (100) | 1222 (100) | ||