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Table 3 Test characteristics (%) and predictive values (%) at self-report and FCSE

From: Assessing medically unexplained symptoms: evaluation of a shortened version of the SOMS for use in primary care

  SOMS-2 FCSE   SOMS-2 self-report
Cut-off points/No symptoms Sensitivity Specificity PPV   NPV   Sensitivity Specificity PPV   NPV
Women (≥6/45) 87.2 98.7 97.6   92.7 (≥4) 61.7 87.0 74.4   78.8
Men (≥4/42) 80.0 87.9 66.7   93.5 (≥5) 40.0 90.9 57.1   83.8
All 86.0 95.5 90.7   92.9   57.9 88.2 71.7   80.2
Women (≥4/29) 89.4 94.8 91.3   93.6   59.6 94.8 87.5   79.3
Men (≥4/29) 70.0 97.0 87.5   91.4   40.0 90.9 57.1   83.3
All 86.0 95.5 90.7   92.9   56.1 93.6 82.1   80.5
  1. FCSE: Final Clinical Symptoms Evaluation; PPV: positive predictive value; NPV: negative predictive value