Table 2.
Comparison of the means of hemodynamic and physiologic variables between transfused and nontransfused patients between baseline and end of the surgery
| Variables | Transfused n=16 | Nontransfused n=54 | P | ||||
|---|---|---|---|---|---|---|---|
| Mean (SD) Baseline | Mean (SD) End | Δ Mean (SD) | Mean (SD) Baseline | Mean (SD) End | Δ Mean (SD) | ||
| Heart rate (beats/min) | 80.8 (13.6) | 91.5 (13.2) | 10.7 (11.3) | 81.7 (11.6) | 91.7 (10.2) | 10.1 (11.7) | 0.721 |
| Systolic blood pressure (mmHg) | 116.2 (13.8) | 112.5 (12.2) | 3.7 (20.5) | 112.8 (17.2) | 117.6 (16.9) | 4.9 (14.7) | 0.229 |
| Diastolic blood pressure (mmHg) | 70.4 (10.5) | 65.8 (12.6) | 4.5 (17.5) | 67.5 (11.3) | 73.8 (12.3) | 6.3 (12.8) | 0.026* |
| Mean arterial pressure (mmHg) | 84.2 (9.8) | 78.8 (11.4) | 5.4 (17.0) | 81 (11.9) | 87.8 (13.6) | 6.85 (13.4) | 0.012* |
| Pulse pressure variation | 8.0 (2.7) | 8.0 (3.2) | 0 (4.0) | 7.9 (2.7) | 7.5 (2.2) | 0.4 (2.9) | 0.503 |
| ST segment (mm) | 0.7 (0.5) | 0.6 (0.6) | 0.2 (0.5) | 0.6 (0.6) | 0.5 (0.5) | 0.0 (0.4) | 0.561 |
| Temperature | 36.1 (0.6) | 35.9 (0.7) | 0.2 (0.9) | 36.1 (10.3) | 36.2 (0.5) | 0.0 (0.5) | 0.358 |
| Lactate (mmol/l) | 2.4 (0.9) | 5.1 (2.1) | 2.7 (1.7) | 2.3 (1.4) | 4.0 (1.7) | 1.7 (1.4) | 0.023* |
| Hemoglobin (g/dl) | 10.7 (1.6) | 8.4 (1.4) | 2.2 (1.5) | 11.9 (1.6) | 10.3 (1.7) | 1.6 (1.8) | 0.183 |
| Central venous oxygen saturation (%) | 84.3 (4.4) | 84.0 (5.7) | 0.3 (5.1) | 83.2 (6.1) | 0.84.1 (6.2) | 0.7 (5.7) | 0.817 |