Table 1 Characteristics of the patient population
Indicators | Hypothermia group (N = 240) | Nonhypothermia group (N = 144) | t/z/χ2 | p |
|---|---|---|---|---|
Sex [N(%)] | 0.050 | 0.911 | ||
Male | 159(62.1) | 97(37.9) | ||
Female | 81(63.3) | 47(36.7) | ||
Age(y) | 69.1 ± 5.822 | 68.59 ± 5.288 | -0.880 | 0.379 |
BMI [N(%)] | 2.993 | 0.224 | ||
< 18.5(kg/m2) | 15(75) | 5(25) | ||
18.5–23.9(kg/m2) | 149(64.2) | 83(35.8) | ||
≥ 24(kg/m2) | 76(57.6) | 56(42.4) | ||
ASA [N(%)] | 0.12 | 0.73 | ||
< III | 136(63.3) | 79(36.7) | ||
≥ III | 104(61.5) | 65(38.5) | ||
Operation time(min) | 199.69 ± 78.44 | 188.94 ± 69.72 | -1.354 | 0.177 |
Total amount of fluid administration[N(%)] | 7.504 | 0.006 | ||
< 1500ml | 36(15.0) | 38(26.4) | ||
≥ 1500ml | 204(85.0) | 106(73.6) | ||
Urine output (ml) | 470.15 ± 293.01 | 438.79 ± 329.36 | -0.961 | 0.337 |
Blood loss (ml) | 100(50,200) | 100(50,300) | -0.748 | 0.455 |
Blood transfusion [N(%)] | 21(8.8) | 16(11.1) | 0.699 | 0.403 |
Surgical modality [N(%)] | 0.048 | 0.826 | ||
Opened surgery | 127(52.9) | 78(54.2) | ||
Laparoscopic surgery | 113(47.1) | 66(45.8) | ||
Types of surgery | 2.141 | 0.343 | ||
Hepatobiliary Surgery | 112(46.7) | 59(41.0) | ||
Gastrointestinal Surgery | 118(49.1) | 75(52.1) | ||
Pancreas and spleen surgery | 10(4.2) | 10(6.9) |