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Table 4 Odds ratios for suicide specific to patients with borderline personality disorder (BPD)

From: Suicide risk in primary care patients diagnosed with a personality disorder: a nested case control study

Exposure categories Suicide cases Living controls   
  n % n % Odds ratioa (95 % CI)
No mental illness 887 37.2 33,636 71.7 1.00 (Ref.)
Mental illness (not PD or BPD) 1387 58.2 10,027 27.8 4.47 (4.08–4.89)
Other PD (not BPD) 94 3.9 217 0.5 18.30 (14.17–23.64)
Borderline PD 16 0.7 19 0.04 37.28 (19.00–73.13)
Total b 2384 100 46,899 100   
BPD vs. other PD - - - - 2.04 (1.00–4.15)
  1. aOdds ratio estimated by conditional logistic regression, adjusted inherently for age and gender in the matched design
  2. bTo avoid repetition with Table 1 we have not reported the ‘Mental illness: not PD’ in this table