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. Author manuscript; available in PMC: 2020 Jul 1.
Published in final edited form as: J Pain. 2019 Jan 26;20(7):842–851. doi: 10.1016/j.jpain.2019.01.011

Table 7:

Evaluation of sensitivity and specificity of varied cutoff scores (score 0-2 versus 3 or more)

Patients with
OUD
Patients
without OUD
Total
Cut point on the 0-2 and 3+ sample 3+ 181 58 239
0-2 31 330 361
Total 212 388 600
Value Formula Values Result 95% Confidence
Interval
Sensitivity A/(A+C) 181/212 0.854 0.799-0.898
Specificity D/(D+B) 330/388 0.851 0.811-0.885
PPV A/(A+B) 181/239 0.757 0.709-0.799
NPV D/(C+D) 330/361 0.914 0.885-0.937