Summary of articles reporting on the diagnostic accuracy of OSTs for pathologies of the hip: avascular necrosis
| Test, authors | Subjects | Age (mean, SD) | Gender | Pathology | Symptom duration | SN/SP (95% CI) | LR+/LR- | Q | Criterion standard SN/SP (95% CI) | Reliability |
|---|---|---|---|---|---|---|---|---|---|---|
| Restricted/Painful Movement | ||||||||||
| Joe et al55 (extension < 15 degrees) | 176 subjects | NR | NR | HIV infection with AVN | NR | 19 (0 to 38)/92 (89 to 95) | 2.38/0.88 | 10 | MRI 99 (NR)/99 (NR)82 | NR |
| Joe et al55 (external rotation < 60 degrees) | 38 (14 to 61)/73 (68 to 77) | 0.48/0.85 | ||||||||
| Joe et al55 (pain with internal rotation) | 13 (0 to 29)/86 (83 to 90) | 0.93/1.01 | ||||||||
AVN, avascular necrosis; F, female; LR+, positive likelihood ratio; LR-, negative likelihood ratio; NR, not reported; OST, orthopaedic special tests; Q, Quality Assessment of Diagnostic Accuracy Studies scores (QUADAS); SN, sensitivity (%); SP, specificity (%).