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Journal of Orthopaedics and Traumatology

Official Journal of the Italian Society of Orthopaedics and Traumatology

Table 2 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 50

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

Anchor

THR: cut-off value 50

Threshold

Called (%)

Specificity

Sensitivity

AUC

Satisfaction (n = 14)

 Postoperative OHS

35.5

25.8

0.85

0.86

0.91

 ΔOHS

11.5

29.2

0.91

0.71

0.88

Function (n = 9)

 Postoperative OHS

30.5

18.0

0.90

0.89

0.83

 ΔOHS

15.5

38.2

0.75

0.78

0.87

Satisfaction or function (n = 16)

 Postoperative OHS

35.5

25.8

0.88

0.88

0.93

 ΔOHS

11.5

29.2

0.92

0.69

0.89

  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
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