Table 1.
Age, sex, operation mode and Society for Cardiothoracic Surgery of Great Britain and Ireland (SCTS) code and proportion with acute kidney injury (AKI)
| N | Level | Overall | AKI negative | AKI positive |
| 15 154 | 14 064 | 1090 | ||
| Gender n (%) | F | 6345 | 5967 (94.0) | 378 (6.0) |
| M | 8809 | 8097 (91.9) | 712 (8.1) | |
| Age group n (%) | Young | 5958 | 5686 (95.4) | 272 (4.6) |
| Old | 8197 | 7500 (91.5) | 697 (8.5) | |
| Oldest | 998 | 877 (87.9) | 121 (12.1) | |
| Operation access mode n (%) | OPEN | 5835 | 5260 (90.1) | 575 (9.9) |
| VATS | 7635 | 7180 (94.0) | 455 (6.0) | |
| ENDO | 1684 | 1624 (96.4) | 60 (3.6) | |
| SCTS operation code category n (%) | A—lung resections (primary malignant) | 4502 | 4052 (90.0) | 450 (10.0) |
| B—lung resections (all other pathologies) | 1930 | 1812 (93.9) | 118 (6.1) | |
| C—mesothelioma surgery (therapeutic) | 452 | 416 (92.0) | 36 (8.0) | |
| D—pleural procedures (other) | 3311 | 3084 (93.1) | 227 (6.9) | |
| E—chest wall/diaphragmatic procedures | 734 | 693 (94.4) | 41 (5.6) | |
| F—mediastinal procedures | 1484 | 1433 (96.6) | 51 (3.4) | |
| G—oesophageal/gastric procedures | 50 | 41 (82.0) | 9 (18) | |
| H—tracheal surgery | 13 | 12 (92.3) | 1 (7.7) | |
| I—other procedures | 939 | 847 (90.2) | 92 (9.8) | |
| Z—endoscopic procedures | 1684 | 1624 (96.4) | 60 (3.6) |
VATS, video-assisted thoracic surgery.