Follow-up of young patients after acute poisoning by substances of abuse: a comparative cohort study at an emergency outpatient clinic

Table 1 Demographic data

Demographic data for 1323 patients aged 16–27 years treated for acute poisoning by substances of abuse at the Oslo Accident and Emergency Outpatient Clinic in 2003, 2008 and 2012
The intervention program for patients under the age of 23 was established in 2010
p-values are for comparisons of frequencies before and after the implementation of the intervention program, using Pearson’s Chi square test or Fisher’s exact test (for expected cell counts of five or less)
* p < 0.05. No p-values were lower than 0.01
^aNot registered in 2003 study, thus patients from 2008 cohort only, n = 317, percentage calculated accordingly
^bNot registered in 2003 study, thus patients from 2008 cohort only, n = 190, percentage calculated accordingly
^cGamma-hydroxybutyrate
^dAccidental overdose with substances of abuse

ISSN: 1756-0500