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Table 1 Patient characteristics

From: Type 2 diabetes mellitus increases the mortality risk after acute coronary syndrome treated with coronary artery bypass surgery

 Diabetes mellitus
No. of patients (527) (%)
Non-diabetic
No. of patients (780) (%)
p value
Age, years (mean ± SD)65 ± 1064 ± 120.096
Sex (male)399 (76)645 (83)0.003
Hypertension375 (71)411 (53)< 0.001
Current smokers158 (30)286 (37)0.020
Dyslipidemia399 (76)486 (63)< 0.001
COPD21 (5)27 (5)0.641
Family history of CAD118 (24)190 (25)0.632
BMI (kg/m2) (mean ± SD)28.4 ± 828 ± 16.40.701
Prior MI154 (29)213 (27)0.445
Prior PCI157 (30)156 (20)< 0.001
Renal impairment61 (12)44 (6)< 0.001
Peripheral vascular disease63 (12)60 (8)0.013
CVA/TIA54 (10)59 (8)0.108
Congestive heart failure55 (10)33 (4)< 0.001
On-site cardiac surgery unit274 (52)417 (53)0.642
Prior medications
Insulin89 (20)0 (0)< 0.001
Oral antihyperglycemic agents320 (69)0 (0)< 0.001
Aspirin297 (65)294 (44)< 0.001
Clopidogrel43 (9)37 (6)0.015
ACE-I148 (48)97 (23)< 0.001
ARBs42 (13)32 (8)0.015
Beta blockers197 (43)217 (33)0.001
Statins266 (59)262 (40)< 0.001
Calcium channel blockers122 (27)113 (17)< 0.001
Nitrates67 (15)78 (12)0.169
Aldosterone receptor antagonist2 (1)2 (1)1.000
Diuretics75 (20)70 (13)0.004
  1. SD standard deviation, COPD chronic obstruction pulmonary disease, CAD coronary artery disease, BMI body mass index, MI myocardial infarction, PCI percutaneous coronary intervention, CVA cerebrovascular accident, TIA transient ischemic attack, ACE-I angiotensin converting enzyme inhibitors, ARB angiotensin II receptor blockers