Table 1 Distribution of Participants by Pre-operative variables and Background Characteristics
Variables | Â | 3 Nights or less stay in CICU after CABG | More than 3 nights stay in CICU after CABG | Total | P-value | ||
|---|---|---|---|---|---|---|---|
n | % | n | % | Â | Â | ||
Overall | Â | 793 | 74.1 | 276 | 25.8 | 1070 | Â |
Age in years (Mean) | Â | 59.31(9.88) | Â | 58.37 (9.57) | Â | Â | 0.170 |
BMI (mean) | Â | 28.58 (5.12) | Â | 28.65 (4.52) | Â | Â | 0.846 |
PCV (mean) | Â | 39.59- (5.63) | Â | 39.20 (5.61) | Â | Â | 0.356 |
LA Diameter (mean) |  | 3.81 (0.34) |  | 3.91 (.40) |  |  |  < 0.001 |
Gender | Female | 171 | 72.2 | 66 | 27.8 | 237 | 0.418 |
| Â | Male | 622 | 74.8 | 210 | 25.2 | 832 | Â |
| Â | Total | 793 | 74.2 | 276 | 25.8 | 1069 | Â |
CABG | Â | Â | Â | Â | Â | Â | 0.584 |
|  | CABG X1 + X2 | 78 | 72.2 | 30 | 27.8 | 108 |  |
| Â | CABG X3 | 273 | 76.7 | 83 | 23.3 | 356 | Â |
| Â | CABG X4 | 321 | 72.6 | 121 | 27.4 | 442 | Â |
|  | CABG X5 + X6 | 107 | 74.3 | 37 | 25.7 | 144 |  |
| Â | Total | 779 | 74.2 | 271 | 25.8 | 1050 | Â |
LIMA-LAD | Â | Â | Â | Â | Â | Â | Â |
| Â | NO | 110 | 74.8 | 37 | 25.2 | 147 | 0.827 |
| Â | YES | 651 | 74.0 | 229 | 26.0 | 880 | Â |
| Â | Total | 761 | 74.1 | 266 | 25.9 | 1027 | Â |
Smoking | Â | Â | Â | Â | Â | Â | Â |
Stable Angina | Never Smoked | 369 | 73.2 | 135 | 26.8 | 504 | 0.986 |
| Â | ever Smoked | 359 | 73.3 | 131 | 26.7 | 490 | Â |
| Â | Total | 728 | 73.2 | 266 | 26.8 | 994 | Â |
| Â | NO | 151 | 71.6 | 60 | 28.4 | 211 | 0.341 |
| Â | YES | 640 | 74.8 | 216 | 25.2 | 856 | Â |
| Â | Total | 791 | 74.1 | 276 | 25.9 | 1067 | Â |
History of Myocardial Infarction | NO | 558 | 74.7 | 189 | 25.3 | 747 | 0.571 |
| Â | YES | 233 | 73.0 | 86 | 27.0 | 319 | Â |
| Â | Total | 791 | 74.2 | 275 | 25.8 | 1066 | Â |
Recent MI (28 within days) | NO | 642 | 73.7 | 229 | 26.3 | 871 | 0.481 |
| Â | YES | 150 | 76.1 | 47 | 23.9 | 197 | Â |
| Â | Total | 792 | 74.2 | 276 | 25.8 | 1068 | Â |
COPD | NO | 772 | 74.9 | 259 | 25.1 | 1031 | 0.005 |
| Â | YES | 15 | 51.7 | 14 | 48.3 | 29 | Â |
| Â | Total | 787 | 74.2 | 273 | 25.8 | 1060 | Â |
Hypertension | NO | 322 | 78.7 | 87 | 21.3 | 409 | 0.006 |
| Â | YES | 465 | 71.1 | 189 | 28.9 | 654 | Â |
| Â | Total | 787 | 74.0 | 276 | 26.0 | 1063 | Â |
Hyperlipidemia | NO | 513 | 75.4 | 167 | 24.6 | 680 | 0.283 |
| Â | YES | 254 | 72.4 | 97 | 27.6 | 351 | Â |
| Â | Total | 767 | 74.4 | 264 | 25.6 | 1031 | Â |
Diabetes | NO | 379 | 78.0 | 107 | 22.0 | 486 | 0.009 |
| Â | YES | 408 | 71.0 | 167 | 29.0 | 575 | Â |
| Â | Total | 787 | 74.2 | 274 | 25.8 | 1061 | Â |
History of HF | NO | 703 | 75.0 | 234 | 25.0 | 937 | 0.065 |
| Â | YES | 87 | 67.4 | 42 | 32.6 | 129 | Â |
| Â | Total | 790 | 74.1 | 276 | 25.9 | 1066 | Â |
PVD | NO | 750 | 73.7 | 267 | 26.3 | 1017 | 0.193 |
| Â | YES | 41 | 82.0 | 9 | 18.0 | 50 | Â |
| Â | Total | 791 | 74.1 | 276 | 25.9 | 1067 | Â |
Atrial. fibrillation | NO | 788 | 74.2 | 274 | 25.8 | 1062 | 0.107 |
| Â | YES | 1 | 33.3 | 2 | 66.7 | 3 | Â |
| Â | Total | 789 | 74.1 | 276 | 25.9 | 1065 | Â |
Renal impairment | NO | 690 | 74.5 | 236 | 25.5 | 926 | 0.480 |
| Â | YES | 64 | 78.0 | 18 | 22.0 | 82 | Â |
| Â | Total | 754 | 74.8 | 254 | 25.2 | 1008 | Â |
EF | EF =  > 50% | 409 | 76.4 | 126 | 23.6 | 535 | 0.079 |
| Â | EF 49% -35% | 243 | 70.2 | 103 | 29.8 | 346 | Â |
|  | EF =  < 34% | 56 | 69.1 | 25 | 30.9 | 81 |  |
| Â | Total | 708 | 73.6 | 254 | 26.4 | 962 | Â |
Pre-operative coronary Stents | NO | 713 | 75.5 | 231 | 24.5 | 944 | 0.006 |
| Â | YES | 58 | 62.4 | 35 | 37.6 | 93 | Â |
| Â | Total | 771 | 74.3 | 266 | 25.7 | 1037 | Â |
Emergency | Not emergency | 575 | 75.3 | 189 | 24.7 | 764 | 0.344 |
| Â | Emergency | 210 | 72.4 | 80 | 27.6 | 290 | Â |
| Â | Total | 785 | 74.5 | 269 | 25.5 | 1054 | Â |
ACE inhibitors | No | 335 | 73.3 | 122 | 26.7 | 457 | 0.623 |
| Â | Less than mont | 146 | 76.8 | 44 | 23.2 | 190 | Â |
| Â | More than month | 304 | 73.6 | 109 | 26.4 | 413 | Â |
| Â | Total | 785 | 74.1 | 275 | 25.9 | 1060 | Â |
B-blockers | No | 200 | 67.6 | 96 | 32.4 | 296 | 0.005 |
| Â | Less than month | 206 | 79.2 | 54 | 20.8 | 260 | Â |
| Â | More than month | 379 | 75.2 | 125 | 24.8 | 504 | Â |
| Â | Total | 785 | 74.1 | 275 | 25.9 | 1060 | Â |
Statins | No | 175 | 70.6 | 73 | 29.4 | 248 | 0.350 |
| Â | Less than month | 192 | 75.6 | 62 | 24.4 | 254 | Â |
| Â | More than month | 418 | 74.9 | 140 | 25.1 | 558 | Â |
| Â | Total | 785 | 74.1 | 275 | 25.9 | 1060 | Â |
Diuretics | No | 583 | 75.7 | 187 | 24.3 | 770 | 0.013 |
| Â | Less than month | 62 | 62.0 | 38 | 38.0 | 100 | Â |
| Â | More than month | 139 | 73.9 | 49 | 26.1 | 188 | Â |
| Â | Total | 784 | 74.1 | 274 | 25.9 | 1058 | Â |
Plavix | No | 287 | 74.9 | 96 | 25.1 | 383 | 0.709 |
| Â | Discontinue for less than 7Â days | 379 | 74.2 | 132 | 25.8 | 511 | Â |
| Â | Discontinue for more than 7Â days | 121 | 71.6 | 48 | 28.4 | 169 | Â |
| Â | Total | 787 | 74.0 | 276 | 26.0 | 1063 | Â |
MR | No | 433 | 76.2 | 135 | 23.8 | 568 | 0.249 |
| Â | MR GRAD 1 | 248 | 72.1 | 96 | 27.9 | 344 | Â |
|  | MR GRAD 2 + 3 | 43 | 69.4 | 19 | 30.6 | 62 |  |
| Â | Total | 724 | 74.3 | 250 | 25.7 | 974 | Â |