Table 1

Comparison of demographics and comorbidity between carbon monoxide poisoning patients and controls

Carbon monoxide poisoning
Yes (N=8316)No (N=33 264)
n (%)n (%)p Value
Age, years0.99
 20–394819 (58.0)19 278 (58.0)
 40–542455 (29.5)9818 (29.5)
 55–69684 (8.23)2736 (8.23)
 >69358 (4.30)1432 (4.30)
Mean (SD)*39.6 (13.8)39.5 (14.1)0.39
Gender0.99
 Female3966 (47.7)15 864 (47.7)
 Male4350 (52.3)17 400 (52.3)
Comorbidity
 Hypertension753 (9.05)1029 (3.09)<0.001
 Diabetes523 (6.29)675 (2.03)<0.001
 CVA318 (3.82)449 (1.35)<0.001
 Heart failure312 (3.75)428 (1.29)<0.001
 All cancer170 (2.04)388 (1.17)<0.001
 Pregnancy986 (11.9)3561 (10.7)0.003
 Lower leg fracture or surgery196 (2.36)403 (1.21)<0.001
  • χ2 Test examined categorical data.

  • *t Test examined continuous.

  • CVA, cerebral vascular disease.