Table 5.

Confusion Matrix of Physician and Survey-based Diagnoses of Nociplastic Pain (CSI score ≥40).

Physician
Positive Diagnosis
Physician
Negative Diagnosis
Questionnaire
Positive Diagnosis
23 35 PPV=39.7%
Questionnaire
Negative Diagnosis
2 29 NPV=93.5%
Sensitivity=92.0% Specificity=45.3%

Physician-assigned diagnoses were used as the reference standard.

RMMJ Rambam Maimonides Medical Journal Rambam Health Care Campus 2026; 17(3): e0020. ISSN: 2076-9172
Published online 2026 July 31. doi: 10.5041/RMMJ.10580