Table 1

Summary of articles reporting on the diagnostic accuracy of OSTs for pathologies of the hip: hip osteoarthritis

Test, authorsSubjectsAge (mean, SD)GenderPathologySymptom durationSN/SP (95% CI)LR+/LR-QCriterion standard SN/SP (95% CI)Reliability
Trendelenburg's sign
Youdas et al3740 subjects50.4, 7.2 years (controls); and 53.4, 9.0 years; (pathology)10 F in each groupRadiographic evidence for OANR55 (NR)/70 (NR)1.83/0.8210Radiograph NR0.63 ICC intra-rater
Resisted Hip Abduction
Youdas et al3740 subjects50.4, 7.2 years (controls); and 53.4, 9.0 years; (pathology)10 F in each groupRadiographic evidence for OANR35 (NR)/90 (NR)3.5/0.7210Radiograph NR0.97 ICC intra-rater
FABER's Test
Sutlive et al3872 subjects58.6, 11.2 years (control); 61.1, 12.7 years; (pathology)40 F (control); 7 F (pathology)Radiographic evidence of OAFrom > 6 months to > 5 years57 (34 to 77)/71 (56 to 82)1.9/0.6112Radiograph NR0.47 κ inter-rater
  • F, female; ICC, Intra-class correlation; IR, internal rotation; LR+, positive likelihood ratio; LR-, negative likelihood ratio; M, male; NR, not reported; OST, orthopaedic special tests; Q, Quality Assessment of Diagnostic Accuracy Studies scores (QUADAS); SN, sensitivity (%); SP, specificity (%); κ, kappa reliability statistic.