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Table 3 Psychiatric comorbidities of pregnant women screened positive for suicidal behavior by diagnostic codes vs. NLP

From: Screening pregnant women for suicidal behavior in electronic medical records: diagnostic codes vs. clinical notes processed by natural language processing

Psychiatric Comorbidities Diagnostic codes (N = 196) NLP (N = 486) Reference group (N = 17,183)
n % n % n %
Psychiatric Comorbidities
 Depression 171 87.24 353 72.63 5150 29.97
 Schizophrenia 10 5.10 10 2.06 95 0.55
 Bipolar 45 22.96 40 8.23 489 2.85
 PTSD 58 29.59 76 15.64 590 3.43
 Substance abuse 102 52.04 173 35.60 2332 13.57
 Anxiety 100 51.02 259 53.29 5184 30.17
Psychiatric comorbidities at encounters to Department Psychiatry/Mental Health/Behavioral Health (ever)
 Depression 93 47.45 180 37.04 1536 8.94
 Schizophrenia 7 3.57 4 0.82 43 0.25
 Bipolar 18 9.18 26 5.35 234 1.36
 PTSD 29 14.80 44 9.05 312 1.82
 Substance abuse 43 21.94 36 7.41 177 1.03
 Anxiety 30 15.31 113 23.25 1058 6.16
Psychiatric comorbidities at encounters to Emergency Department (Ever)
 Depression 128 65.31 80 16.46 608 3.54
 Schizophrenia 6 3.06 2 0.41 22 0.13
 Bipolar 25 12.76 8 1.65 76 0.44
 PTSD 28 14.29 9 1.85 54 0.31
 Substance abuse 74 37.76 57 11.73 652 3.79
 Anxiety 51 26.02 42 8.64 660 3.84
  1. Abbreviations: Natural language processing (NLP), post-traumatic stress disorder (PTSD)