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Table 1 Demographic and medical characteristics among study patients before matching

From: Targeted temperature management in cardiac arrest: survival evaluated by propensity score matching

  Control (n = 153) Treated (n = 183)  
Count/[Mean] Percenta/(SD) Count/[Mean] Percenta/(SD) P-value
Mean age [years] with (95% CI) [64] (20) [59] (16) 0.01
Male gender 86/153 56% 140/183 77% <0.001
Primary shockable rhythm 41/143 29% 132/181 73% <0.001
Medical history
 Previous myocardial infarction 42/153 27% 52/183 28% 0.94
 Heart failure 26/116 22% 25/179 14% 0.086
 Hypertension 48/126 38% 62/178 35% 0.64
 Lung disease 37/119 31% 32/181 18% 0.01
 Diabetes 25/122 20% 25/180 14% 0.17
 Kidney disease 13/118 11% 4/179 2% <0.001
 Malignancy 16/135 12% 9/178 5% 0.047
 Smoke 65/97 67% 113/152 74% 0.27
 Hypercholesterolemia 19/67 28% 33/154 21% 0.35
Presumed cause of arrest
 Acute myocardial infarction 43/153 28% 104/183 57% <0.001
 Previous myocardial infarction 7/153 5% 24/183 13% 0.01
 Other heart disease 6/153 4% 10/183 5% 0.69
  1. aThe percentage values are based on patients with non-missing data