Table 3 The AUC and the sensitivity / specificity at the optimal cut-off point of the PainDETECT under the condition of equal costs of misclassification to classify NePC by the classification and the Grading System of the physicians
From: Avoiding Catch-22: validating the PainDETECT in a population of patients with chronic pain
PainDETECT versus classification by: | NePC: | AUC % | (95%CI) | Cut -off | Sens % | (95% CI) | Spec % | (95% CI) | |
|---|---|---|---|---|---|---|---|---|---|
Absent (n) | Present (n) | ||||||||
Assessment A | 83 | 208 | 69.8 | (0.63–0.77) | 9 | 86.0 | (0.81–0.90) | 45.8 | (0.36–0.57) |
Assessment B | 96 | 195 | 67.2 | (0.61–0.74) | 11 | 75.4 | (0.69–0.81) | 52.1 | (0.42–0.62) |
Assessment A = Assessment B | 58 | 170 | 72.1 | (0.65–0.80) | 11 | 80.0 | (0.73–0.85) | 55.2 | (0.43–0.67) |
LBLP | 28 | 75 | 75.4 | (0.65–0.86) | 11 | 84.0 | (0.74–0.91) | 64.3 | (0.46–0.79) |
NSA pain | 18 | 23 | 62.9 | (0.46–0.80) | 9 | 82.6 | (0.63–0.93) | 44.4 | (0.25–0.66) |
Suspected PND pain | 12 | 72 | 75.5 | (0.63–0.88) | 15 | 55.6 | (0.44–0.67) | 91.7 | (0.65–0.99) |
Grading A | 114 | 172 | 58.9 | (0.52–0.66) | 11 | 73.3 | (0.66–0.79) | 43.9 | (0.35–0.53) |
Grading B | 130 | 158 | 58.6 | (0.52–0.65) | 14 | 57.6 | (0.50–0.65) | 59.2 | (0.51–0.67) |
Grading A = Grading B | 93 | 139 | 61.3 | (0.54–0.69) | 11 | 74.1 | (0.66–0.81) | 46.2 | (0.37–0.56) |
LBLP | 60 | 48 | 63.1 | (0.52–0.74) | 12 | 70.8 | (0.57–0.82) | 55.0 | (0.43–0.67) |
NSA pain | 24 | 13 | 48.9 | (0.28–0.69) | 18 | 30.8 | (0.13–0.58) | 87.5 | (0.69–0.96) |
Suspected PND pain | 9 | 78 | 66.0 | (0.45–0.87) | 13 | 64.1 | (0.53–0.74) | 77.8 | (0.45–0.94) |
Assessment A = Grading A | 63 | 155 | 69.1 | (0.61–0.77) | 11 | 76.1 | (0.69–0.82) | 55.6 | (0.43–0.67) |
Assessment B = Grading B | 77 | 139 | 67.1 | (0.60–0.74) | 11 | 76.3 | (0.69–0.83) | 52.0 | (0.41–0.63) |
Assessment A = Grading A = Assessment B = Grading B | 43 | 118 | 67.9 | (0.59–0.77) | 11 | 78.0 | (0.70–0.85) | 53.0 | (0.39–0.68) |