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Table 1 Psychiatric comorbidities in the depression training and testing samples

From: Using heart rate profiles during sleep as a biomarker of depression

  Training Sample n (%) Testing Sample n (%)
Any psychiatric comorbidity 240 (36.1) 29 (33.3)
 Anxiety disorder 175 (26.4) 21 (24.1)
 Post-traumatic stress disorder 3 (0.5) 0 (0.0)
 Obsessive compulsive disorder 15 (2.3) 4 (4.6)
 Personality disorder 31 (4.7) 4 (4.6)
 Substance abuse disorder 54 (8.1) 8 (9.2)
 Intermittent explosive disorder 0 (0.0) 1 (1.1)
 Adjustment disorder 5 (0.8) 0 (0.0)
 Eating disorder 13 (2.0) 0 (0.0)
 Developmental disorder 33 (5.0) 5 (5.7)
 Neurocognitive disorder 5 (0.8) 0 (0.0)