Table 1.

Detailed haemoglobin values (g/dl) at the routine control 1 day preoperatively, at the surgery day, 3rd and 7th postoperative day (POD)

	Surgery
	preOP	Day	POD 3	POD 7
	Haemoglobin value (g/dl) group A
Mean	13.9	11.1	10.0	10.7
Standard deviation	1.38	1.37	1.16	1.36
Maximum	17.9	15.5	13.3	13.6
Minimum	10.1	8.4	7.7	7.2
	Haemoglobin value (g/dl) group B
Mean	14.2	11.3	10.0	10.5
Standard deviation	1.14	1.17	1.15	0.83
Maximum	16.8	14.5	12.8	12.8
Minimum	11.8	8.6	7.9	8.9