| All | Control group | NaHCO 3 group |  | |||
---|---|---|---|---|---|---|---|
 | Number | % | Number | % | Number | % | P -value |
Biometric data | Â | Â | Â | Â | Â | Â | Â |
Female | 90 | 26.32 | 43 | 25.6 | 47 | 27.01 | 0.86 |
Male | 252 | 73.68 | 125 | 74.4 | 127 | 72.99 | 0.86 |
Comorbidities | Â | Â | Â | Â | Â | Â | |
IABP | 1 | 0.29 | 0 | 0 | 1 | 0.57 | 0.98 |
Ejection fraction <35% | 35 | 10.23 | 20 | 11.9 | 15 | 8.62 | 0.41 |
IDDM | 49 | 14.33 | 23 | 13.69 | 26 | 14.94 | 0.86 |
COPD | 56 | 16.37 | 25 | 14.88 | 31 | 17.82 | 0.56 |
Creatinine >1.2Â mg/dl | 79 | 23.1 | 40 | 23.81 | 39 | 22.41 | 0.86 |
Congestive heart failure | 145 | 42.4 | 68 | 40.48 | 77 | 44.25 | 0.55 |
Surgery characteristics | Â | Â | Â | Â | Â | Â | |
CABG | 182 | 53.22 | 83 | 49.40 | 99 | 56.90 | 0.27 |
Valve | 53 | 15.5 | 31 | 18.45 | 22 | 12.64 | 0.27 |
CABG + valve | 40 | 11.7 | 23 | 13.69 | 17 | 9.77 | 0.43 |
Other surgery | 67 | 19.59 | 31 | 18.45 | 36 | 20.69 | 0.63 |
Repeat surgery | 9 | 2.63 | 2 | 1.19 | 7 | 4.02 | 0.19 |
Emergency surgery | 9 | 2.63 | 5 | 2.98 | 4 | 2.30 | 0.96 |