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Official Journal of the Italian Society of Orthopaedics and Traumatology

Table 3 Thresholds, percentage of patients who will be called with the given threshold, specificity, sensitivity and area under curve (AUC) for OHS and ΔOHS anchored to patient-perceived satisfaction, function and either satisfaction or function with a cut-off value of 70

From: Thresholds for the Oxford Hip Score after total hip replacement surgery: a novel approach to postoperative evaluation

Anchor

THR: cut-off value 70

Threshold

Called (%)

Specificity

Sensitivity

AUC

Satisfaction (n = 23)

 Postoperative OHS

38.5

31.5

0.86

0.83

0.94

 ΔOHS

15.5

38.2

0.85

0.74

0.88

Function (n = 18)

 Postoperative OHS

38.5

31.5

0.83

0.89

0.92

 ΔOHS

17.5

43.8

0.69

0.78

0.83

Satisfaction or function (n = 25)

 Postoperative OHS

38.5

31.5

0.88

0.80

0.93

 ΔOHS

18.5

44.9

0.69

0.88

0.87

  1. True positives is the amount of patients who should be called according to the cut-off value
  2. n number of patients with anchor values below the cut-off value