Table 1 Baseline Characteristics of the Patients in the Groups
Group N1 (2 µg/kg) (n = 31) | Group N2 (0.5 µg/kg) (n = 31) | Group C (n = 31) | F value | χ2 value | P value | |
|---|---|---|---|---|---|---|
Sex, female/male | 17/14 | 14/17 | 12/19 | 1.644 | 0.44 | |
Age (year, \(\bar x \pm s\)) | 61 ± 12 | 59 ± 12 | 61 ± 12 | 0.169 | 0.845 | |
Height (cm, \(\bar x \pm s\)) | 164 ± 8 | 165 ± 9 | 167 ± 6 | 1.542 | 0.22 | |
Weight (kg, \(\bar x \pm s\)) | 62 ± 13 | 66 ± 12 | 66 ± 11 | 1.233 | 0.296 | |
ASA grade (I/II/III) | 0/22/9 | 0/26/5 | 0/24/7 | 1.476 | 0.478 | |
Transfusion volume (ml, \(\bar x \pm s\)) | 2337 ± 717 | 2114 ± 509 | 2484 ± 579 | 2.900 | 0.06 | |
Blood loss (ml, \(\bar x \pm s\)) | 141 ± 138 | 141 ± 104 | 148 ± 122 | 0.04 | 0.961 | |
Urine output (ml, \(\bar x \pm s\)) | 309 ± 264 | 247 ± 256 | 349 ± 323 | 1.026 | 0.363 | |
Duration of surgery (h, \(\bar x \pm s\)) | 3.91 ± 0.76 | 3.70 ± 0.84 | 4.18 ± 0.80 | 2.866 | 0.062 | |
Surgical type (laparoscopic/hand-assisted laparoscopic) | 22/9 | 22/9 | 27/4 | 2.977 | 0.226 |