Sensitivity (Including Mixed) | Specificity (Including Mixed) | ||
---|---|---|---|
AKP | Any | 55 | 50 |
Isolated | 22 | 82 | |
Max pain with stairs (up or down) | (≥ min) | 79 | 24 |
(≥ mod) | 38 | 65 | |
Pain going up stairs | (≥ min) | 74 | 28 |
(≥ mod) | 33 | 70 | |
Pain going down stairs | (≥ min) | 71 | 31 |
(≥ mod) | 31 | 74 | |
Absence of pain walking on level ground | (≥ min) | 56 | 45 |
(≥ mod) | 90 | 13 | |
Any AKP + max pain with stairs | (≥ min) | 48 | 58 |
(≥ mod) | 24 | 81 | |
Any AKP + absence of pain walking on level ground | (≥ min) | 29 | 73 |
(≥ mod) | 49 | 57 | |
Isolated AKP + max pain with stairs | (≥ min) | 17 | 86 |
(≥ mod) | 6 | 97 | |
Isolated AKP + absence of pain walking on level ground | (≥ min) | 16 | 86 |
(≥ mod) | 20 | 83 |
AKP: anterior knee pain; max: maximum; min: minimal; mod: moderate.