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Table 1 Characteristics of the CHD deaths: career versus volunteer firefighters.

From: Firefighters and on-duty deaths from coronary heart disease: a case control study

  Volunteer Firefighters
(n = 17) % (n)
Career Firefighters
(n = 35) % (n)
P-value
Fire Department Medical Exam within 24 months of Incident 12 (2) 32 (11) 0.18*
Age ≥ 45 years old 76 (13) 86 (30) 0.45*
Age > 50 years old 53 (9) 51 (18) 0.92
Current Smoking 46 (6/13) 50 (15/30) 0.82
Hypertension 86 (12/14) 72 (23/32) 0.46*
Diabetes Mellitus 23 (3/13) 21 (6/29) 1.00*
Cholesterol ≥ 5.18 mmol/L (200 mg/dl) 83 (10/12) 91 (20/22) 0.60*
Prior Diagnosis of CHD or other evidence of arterial-occlusive disease 31 (5/16) 23 (8) 0.73*
Autopsy Verified CHD 53 (9) 77 (27) 0.076
LVH at Autopsy, if Left Ventricle described 88 (7/8) 71 (12/17) 0.62*
  1. * Fisher's Exact Test. Coronary heart disease; Left ventricular hypertrophy.