Table 2.
Chi-square test and t-test of the baseline characteristics of the patients (mean).
| Base value | Esmolol group (n = 75) | Control group (n = 76) | t/χ 2 | P |
|---|---|---|---|---|
| Male, n (%) | 54 (72.0) | 53 (69.7) | 0.094 | 0.760 |
| APACHE-II score, mean ± standard deviation | 24.20 ± 7.66 | 25.46 ± 7.83 | −0.999 | 0.319 |
| HR, mean ± standard deviation | 125.04 ± 13.28 | 127.21 ± 13.88 | −0.982 | 0.328 |
| MAP, mean ± standard deviation | 74.71 ± 7.28 | 75.89 ± 6.61 | −1.051 | 0.295 |
| CVP, mean ± standard deviation | 12.45 ± 3.16 | 11.99 ± 3.35 | 0.881 | 0.380 |
| IS, mean ± standard deviation | 10.99 ± 2.08 | 11.11 ± 1.81 | −0.374 | 0.709 |
| Lac, mean ± standard deviation | 8.98 ± 3.09 | 9.74 ± 4.05 | −1.301 | 0.195 |
| P(va)CO2, mean ± standard deviation | 9.54 ± 3.89 | 10.12 ± 3.52 | −0.947 | 0.345 |
| ScvO2, mean ± standard deviation | 0.77 ± 0.06 | 0.78 ± 0.06 | −0.537 | 0.592 |
Note: APACHE-II: Acute Physiology and Chronic Health Evaluation II; HR: heart rate; MAP: mean arterial pressure; CVP: central venous pressure; IS: vasoactive-inotropic score; Lac: arterial blood lactate; P(va)CO2: venous-arterial carbon dioxide partial pressure; ScvO2: central venous oxygen saturation.