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Patient Demographics
| Variable | Intervention group (n=67) | Control group (n=70) |
|---|---|---|
| Age (years) | 67 | 69.1 |
| Gender (females) | 42/67 (62%) | 43/70 (61%) |
| Side (left/right) | 45/22 | 41/29 |
| Surgical duration | 51.2 minutes | 49.4 minutes |
| Preoperative haemoglobin | 10.9 (± 2.2) | 10.8 (± 2.1) |
| Postoperative haemoglobin | 9.5 (± 1.8) | 9.2 (± 2.0) |
