Study | Functional outcome assessed | Scale descriptor | Reported result | Comments | |
---|---|---|---|---|---|
 | AW | OW |  | ||
RCT | |||||
 Peres [23] | Lysholm Knee Scoring Scale (LKSS) | Assesses eight clinical domains, producing an overall score between 0 and 100 (< 65 poor, 65–83 fair, 84–94 good, 95–100 excellent) [31] | 93.8¶ ± 2.3 — equates to ‘good’ score | 87.2¶ ± 5.5 — equates to ‘good’ score | Difference non-significant |
Cohort study | |||||
 Balabaud [24] | Bussiere and Beaufils functional scale (BBFS) | Considers patient-reported pain and ROM and is reported as an ordinal scale (excellent, good, fair, poor) [32] | ‘Good’ in 15/21 knees | ‘Good’ in 4/19 knees | Difference non-significant |
 Sabater-Martos [28] | Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) | Considers pain (0–20), stiffness (0–8) and functional impairment (0–68), with lower scores reflecting superior states [33] | 17¶ ± 15.4—equates to ‘slight difficulties’ | 16.1¶ ± 15.9—equates to ‘slight difficulties’ | Difference non-significant |
 Wirtz [29] | Larson score | Considers seven clinical domains (pain, walking, function, ROM, strength, flexion contracture, laxity), producing a score between 0 and 100 (< 60 poor, 60–69 fair, 70–84 good, 85–100 excellent) [34] | 74¶ ± 17.5—equates to ‘good’ score | 61¶ ± 18.5—equates to ‘fair’ score | Difference only significant if operated on within 5 days of symptom onset (favours AW) |