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Table 3 Values of sensitivity, specificity, positive predictive value and negative predictive value, accuracy, disease prevalence, and likelihood ratio (positive and negative) of the clinical diagnosis of CS-related sign and symptoms

From: Diagnostic accuracy of the clinical indicators to identify central sensitization pain in patients with musculoskeletal pain

 

Clinical Diagnosis

Sensitivity %, (95% CI)

55.0 (31.5 to 76.9)

Specificity %, (95% CI)

80.0 (69.6 to 88.1)

Positive Predictive Value (PPV) %, (95% CI)

40.7 (27.6 to 55.4)

Negative Predictive Value (NPV) %, (95% CI)

87.7 (81.2 to 92.1)

Accuracy %, (95% CI)

75.0 (65.3 to 83.1)

Disease prevalence %, (95% CI)

20.0 (12.7 to 29.2)

Positive Likelihood Ratio (LR+) (95% CI)

2.8 (1.5 to 5.0)

Negative Likelihood Ratio (LR-) (95% CI)

0.6 (0.3 to 0.9)

  1. Note: Abbreviation: CI Confidence interval, PPV Positive predictive value, NPV negative predictive value, LR+ positive likelihood ratio, LR- Negative likelihood ratio