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Table 3 Differences in positive marijuana detection pre vs. post commercialization in Colorado, by hospital location

From: The impact of recreational marijuana commercialization on traumatic injury

  Colorado hospitals Non-Colorado hospitals  
Covariate, % Marijuana detected Pre (n = 265) Marijuana detected Post (n = 299) P value Marijuana detected Pre (n = 476) Marijuana detected Post (n = 632) P value
Age (years), mean 34.1 36.6 0.04 32.4 33.1 0.35
Male sex 74.0% 78.9% 0.16 76.1% 78.0% 0.44
Non-White race 34.3% 26.1% 0.03 40.8% 55.7% < 0.001
Glasgow Coma score 3–8 16.1% 15.1% 0.74 13.7% 16.5% 0.20
Injury severity score, mean 12.2 11.5 0.44 10.1 11.5 0.02
SBP < 90 mmHg 4.6% 4.1% 0.76 3.8% 5.6% 0.17
Penetrating Mechanism 7.6% 9.0% 0.70 16.2% 16.9% 0.09
Cause of injury    0.13    0.14
Motor vehicle crash 49.8% 41.4%   52.9% 49.7%  
Fall 20.4% 26.8%   12.8% 13.6%  
Sports related 10.9% 9.4%   2.9% 1.4%  
Assault/Stab/GSW 15.9% 17.4%   20.2% 25.2%  
Other 3.0% 5.4%   11.1% 10.1%  
Full activation 47.6% 41.8 0.16 41.8% 51.3% < 0.001
ICU admission 45.7% 53.5% 0.77 47.9% 47.0% 0.77
Mortality 2.6% 1.7% 0.43 3.4% 2.2% 0.24
  1. Pre-commercialization, 2012–2013. Post- commercialization, 2014–2015. SBP systolic blood pressure, GSW gunshot wound, ICU intensive care unit. Bolding denotes p values that met the alpha < 0.05 significance level