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Table 4 Cutoffs for somatoform disorders in the DSM-IV, somatic symptom and related disorders in DSM-5, and somatic symptom disorder with different severity in the DSM-5

From: The relation between the patient health questionnaire-15 and DSM somatic diagnoses

 

DSM-IV somatoform disorders

DSM-5 somatic symptom and related disorders

DSM-5 SSD, at least mild

DSM-5 SSD, at least moderate

DSM-5 SSD, severe

Cutoff of the PHQ-15 total

6/7

4/5

4/5

6/7

12/13

Sensitivity

0.669

0.845

0.847

0.839

0.571

Specificity

0.600

0.487

0.477

0.384

0.721

Youden’s index

0.269

0.332

0.324

0.223

0.292

AUC

0.678

0.725

0.718

0.597

0.598

  1. AUC area under the curve of receiver operating characteristic