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Table 1 Characteristics of self-discharging patients

From: Mortality and repeated poisoning after self-discharge during treatment for acute poisoning by substances of abuse: a prospective observational cohort study

  Self-dischargers n (%) Non-self-dischargers n (%) p-value
Males 184 (69) 952 (65) 0.21
Agea 39 (28–50) 32 (23–46) <  0.001
Main toxic agent
Ethanol 143 (54) 829 (57) 0.43
Opioids 82 (31) 282 (19) <  0.001
Stimulants 12 (5) 93 (6) 0.31
GHB 11 (4) 74 (5) 0.63
Benzodiazepines 12 (5) 132 (9) 0.020
Other 6 (2) 55 (4) 0.30
Suicide attemptb 14 (5) 116 (8) 0.17
Severe mental illness 33 (12) 150 (10) 0.34
Homeless 20 (8) 63 (4) 0.035
Two or more poisoningsc 89 (33) 186 (13) < 0.001
Three or more poisoningsc 56 (21) 62 (4) < 0.001
Deathd 9 (3.4) 25 (1.7) 0.12
Total 266 (100) 1465 (100)  
  1. aMedian (interquartile range)
  2. bSuicidal intention in at least one poisoning episode
  3. cDuring one year, i.e. during the inclusion period (1 October 2011–30 September 2012)
  4. dDeath during the inclusion period or the following three months (1 October 2011–31 December 2012)
  5. GHB gamma-hydroxybutyrate