Table 2:
Operative data
| TWA-Glc <110 mg/dl (N = 176) | TWA-Glc=110–150 mg/dl (N = 453) | TWA-Glc >150 mg/dl (N = 251) | P-value | |
|---|---|---|---|---|
| Duration of the surgery (min) | 306 ± 57 | 308 ± 49 | 316 ± 53 | 0.087 |
| Number of grafts | 3 [3–4] | 3 [3–4] | 3 [3–4] | 0.056 |
| Coefficient of variation of glucose | 11.9 [8.5–19.4] | 13.8 [8.9–18.7] | 14.2 [9.6–20.1] | 0.227 |
| Intraoperative use of insulin | 12 (7) | 35 (8) | 19 (8) | 0.943 |
| Insulin dose (U) | 4 [3.5–5] | 5 [4–5.5] | 4 [3–5] | 0.371 |
| Intraoperative crystalloid (ml) | 2349 ± 960 | 2497 ± 1091 | 2429 ± 956 | 0.277 |
| Intraoperative colloid (ml) | 1027 ± 370 | 1020 ± 421 | 1013 ± 391 | 0.938 |
| Urine output (ml) | 570 [343–950] | 530 [320–820] | 520 [335–765] | 0.281 |
| Number of patients required transfusion | 43 (26) | 108 (24) | 62 (25) | 0.938 |
| Salvaged blood (ml) | 160 [120–240] | 166 [120–250] | 150 [120–240] | 0.695 |
Values are mean ± SD or median [IQR] or number of patients (percentage).
TWA-Glc: time-weighted average of intraoperative serum glucose concentrations.