Table 3

		HES group	Control group	P
Hb (g/dl)	Pre	13.6±1.8	13.1±1.6	0.058
Hb (g/dl)	Post (POD1)	10.8±1.8	10.3±1.7	0.060
Alb (g/dl)	Pre	4.1±0.6	4.2±0.5	0.315
Alb (g/dl)	Post	2.7±0.4	2.8±0.4	0.060
Cre (mg/dl)	Pre	0.77±0.18	0.77±0.27	0.340
Cre (mg/dl)	Post	0.90±0.26	0.81±0.33	0.002^*

Data are expressed as the mean ± standard deviation. Mann-Whitney’s U test was used to determine differences between the groups. ^*p<0.05 Pre: Preoperative values, Post: Postoperative values, Hb: Hemoglobin, Alb: Albumin, Cre: Creatinine, POD1: Postoperative day 1

Table 3: Comparison of preoperative and postoperative values.