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Baseline characteristics
| Variable | BOOST cohort | Reference cohort |
|---|---|---|
| Age (mean in years, SD) | 81 (8.8) | 80 (10) |
| Pre-injury mILOA score (mean, SD) | 3.44 (51) | NA |
| Female | 56% | 70% |
| Pre-injury cognitive impairment | 20% | 17% |
| Right hip fracture | 56% | 52% |
| ASAa 2 | 20% | 20% |
| ASAa 3 | 64% | 55% |
aASA denotes the American Society of Anaesthesiologists score
