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Table 2 Provider characteristics at encounters with suicidal behavior 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

Characteristics Diagnostic codes (N = 196) NLP (N = 486) Reference groupa(N = 17,183)
n % n % n %
Hospitals (ever)
 Massachusetts General Hospital 105 53.57 249 51.23 12,678 73.78
 Brigham and Women’s Hospital 95 48.47 250 51.44 12,800 74.49
 Faulkner Hospital 0 0.00 1 0.21 4263 24.81
 North Shore Medical Center 0 0.00 11 2.26 2659 15.47
 Newton-Wellesley Hospital 0 0.00 4 0.82 5643 32.84
 Spaulding Rehabilitation Hospital 0 0.00 2 0.41 1199 6.98
 McLean Hospital 0 0.00 0 0.00 283 1.65
Clinics (ever)
 Emergency 136 69.39 85 17.49 9749 56.74
 Psychiatry/Mental health/Behavioral health 7 3.57 221 45.47 2605 15.16
 Obstetrics and Gynecology 12 6.12 18 3.70 11,386 66.26
 Pediatrics 4 2.04 125 25.72 1253 7.29
Inpatient/outpatient (ever)
 Inpatient 77 39.29 95 19.55 14,116 82.15
 Outpatient 157 80.10 407 83.74 17,055 99.26
 Not recorded 0 0.00 46 9.47 9762 56.81
  1. Abbreviations: Natural language processing (NLP)
  2. aProvider characteristics during lifetime (ever)