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Perioperative factors.
| Parameters | <80 years | ≥80 years | P-value |
|---|---|---|---|
| Anesthesia, % (n) | 0.066 | ||
| General | 96.1 (8458) | 95.2 (1477) | |
| Regional or Local | 3.2 (282) | 4.4 (68) | |
| Other | 0.7 (62) | 0.4 (6) | |
| ASA score, % (n) | <0.0001 | ||
| <3 | 50 (4402) | 35 (541) | |
| ≥3 | 50 (4388) | 65 (1010) | |
| Operative time, minutes, mean (± SD) | 115.6 ± 48.4 | 108.3 ± 41.8 | <0.0001 |
| LOS, days, mean (± SD) | 2 ± 2.8 | 3 ± 3.3 | <0.0001 |
ASA = American Society of Anesthesiologists; LOS = lengths of stay.
