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Table 2 AUC (95 % CI) for each questionnaire section for the baseline questionnaire estimated from ROC curves

From: A questionnaire to identify patellofemoral pain in the community: an exploration of measurement properties

  PFP group vs all others PFP group vs all others with knee pain PFP group vs soft tissue group
Section 2 0.94 (0.90 to 0.99) 0.90 (0.82 to 0.98) 0.91 (0.84 to 0.99)
Section 3 0.70 (0.58 to 0.81) 0.45 (0.30 to 0.61) 0.44 (0.29 to 0.53)
Section 4 0.92 (0.84 to 0.99) 0.88 (0.79 to 0.98) 0.88 (0.78 to 0.97)
Section 2 and 3 0.87 (0.79 to 0.95) 0.77 (0.64 to 0.90) 0.77 (0.64 to 0.90)
Section 2 and 4 0.97 (0.94 to 1.00) 0.95 (0.90 to 1.00) 0.95 (0.90 to 1.00)
Section 3 and 4 0.85 (0.77 to 0.93) 0.73 (0.59 to 0.88) 0.72 (0.58 to 0.87)
All sections 0.93 (0.87 to 0.99) 0.88 (0.78 to 0.98) 0.88 (0.78 to 0.98)