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Table 1 Study Demographics

From: Modifiable risk factors remain significant causes of medium term mortality after first time Coronary artery bypass grafting

  Total (N = 1177) Survivors (N = 1018) Non-long term Survivor (N = 159) P-value
Male (%) 939 (80%) 823(81%) 116 (73%) P = 0.026
female (%) 238 (20%) 195(19%) 43 (27%)  
Age Mean (SD) 63 years (9.7) 62 (9.6) 68 (9.8) P < 0.0001
CCS I 124 (10%) 107 (11%) 17 (11%) P = 0.01
   II 335 (29%) 307 (30%) 28 (18%)  
   III 429 (36%) 373 (36%) 56 (35%)  
   IV 289 (25%) 231 (23%) 58 (36%)  
Previous MI 552 (47%) 457 (45%) 95 (60%) P = 0.01
Prev Cardiological Intervention 87 (7.4%) 78 (7.7%) 9 (5.7%) P = 0.42
Diabetes 203 (17%) 162 (16%) 41 (26%) P = 0.003
Hypertension 573 (49%) 487 (48%) 86 (54%) P = 0.012
Hypercholestrolemia 843 (71%) 749 (74%) 94 (59%) P < 0.0005
Current smoker 73 (6.2%) 62 (6.1%) 11 (6.9%) P = 0.723
COPD 36 (3.1%) 23 (2.3%) 13 (8.2%) P < 0.0005
PVD 146 (12%) 110 (11%) 36 (23%) P < 0.0005
Coronary Disease     
Single 56 (4.8%) 54 (5.3%) 2 (1.3%) P = 0.860
Double 258 (22%) 234 (23%) 24 (15%)  
Triple 863 (73%) 730 (72%) 133 (84%)  
LMS disease 202 (17%) 173 (17%) 29 (18%) P = 0.734
EF Good 777 (66%) 701 (69%) 76 (48%) P < 0.0005
   Fair 308 (26%) 253 (25%) 55 (34%)  
   Poor 92 (8%) 64 (6%) 28 (18%)  
Pre-op IABP 17 (1.4%) 11 (1.1%) 6 (3.8%) P = 0.019
No of distal anastomoses 3.24 (0.97) Range 1–6 3.24 (0.98) 3.26 (0.91) P = 0.844
Bypass time 67 mins (25) 66 mins (24) 75 mins (32) P = 0.002
X-Clamp time 27 mins (11) 27 mins (12) 27 mins (10) P = 0.769
BMI>30 307 (28%) 259 (27%) 48 (31%) P = 0.190
Trasylol 243 (21%) 210 (21% 33 (21%) P = 1.000