Nutritional supplement drink reduces inflammation and postoperative depression in patients after off-pump coronary artery bypass surgery

Table 3 Perioperative blood test results

	Group	Pre	P value	2 POD	P value	7 POD	P value	7-2 POD	P value
WBC, × 109/L	CTL	6.1 ± 0.3	0.991	12 ± 0.3	0.962	7.6 ± 0.2	0.534	-4.4 ± 0.2	0.568
	YKR	6.1 ± 0.2		12 ± 0.4		7.8 ± 0.2		-4.2 ± 0.3
Hb, g/dL	CTL	13.3 ± 0.1	0.645	11.2 ± 0.1	0.876	11.7 ± 0.1	0.130	0.5 ± 0.1	0.027a
	YKR	13.4 ± 0.2		11.3 ± 0.1		11.5 ± 0.1		0.2 ± 0.1
Hct, %	CTL	39.2 ± 0.4	0.315	33.3 ± 0.3	0.854	34.6 ± 0.3	0.194	1.3 ± 0.2	0.053
	YKR	39.8 ± 0.5		33.4 ± 0.4		34.0 ± 0.4		0.6 ± 0.3
TP, g/dL	CTL	6.8 ± 0.0	0.616	5.7 ± 0.0	0.904	6.1 ± 0.1	0.789	0.4 ± 0.1	0.684
	YKR	6.8 ± 0.0		5.7 ± 0.1		6.2 ± 0.1		0.5 ± 0.0
Alb, g/dL	CTL	4.0 ± 0.0	0.482	3.5 ± 0.0	0.337	3.4 ± 0.0	0.385	-0.1 ± 0.0	0.821
	YKR	4.0 ± 0.0		3.5 ± 0.0		3.3 ± 0.0		-0.1 ± 0.0
ChE, IU/L	CTL	301.7 ± 6.9	0.953	176.3 ± 4.0	0.258	183.0 ± 4.0	0.227	6.7 ± 2.4	0.934
	YKR	302.3 ± 7.8		183.3 ± 4.7		190.5 ± 4.6		7.0 ± 2.3
CK, IU/L	CTL	101.3 ± 6.9	0.565	482.4 ± 22.7	0.443	67.8 ± 5.3	0.736	-391.7 ± 16.9	0.878
	YKR	95.3 ± 7.6		458.0 ± 19.8		70.2 ± 4.3		-387.8 ± 18.2
ALP, IU/L	CTL	217.2 ± 6.1	0.491	142.7 ± 3.1	0.734	201.4 ± 6.0	0.103	58.7 ± 5.3	0.097
	YKR	210.8 ± 6.9		141.0 ± 4.1		222.8 ± 13.0		81.9 ± 12.8
T-Bil, mg/dL	CTL	0.8 ± 0.1	0.194	1.2 ± 0.1	0.100	0.9 ± 0.0	0.580	-0.3 ± 0.1	0.123
	YKR	0.7 ± 0.0		1.0 ± 0.1		0.8 ± 0.1		-0.2 ± 0.0
AST, IU/L	CTL	21.8 ± 0.7	0.133	28.9 ± 0.9	0.748	20.1 ± 0.9	0.245	-8.8 ± 1.1	0.556
	YKR	23.6 ± 1.0		29.3 ± 1.0		21.6 ± 0.8		-7.9 ± 1.0
ALT, IU/L	CTL	21.4 ± 1.1	0.388	16.4 ± 1.0	0.543	20.3 ± 1.2	0.101	3.9 ± 1.3	0.244
	YKR	23.1 ± 1.6		17.4 ± 1.3		23.7 ± 1.7		6.2 ± 1.5
γGTP, IU/L	CTL	33.1 ± 2.0	0.352	24.3 ± 1.3	0.555	38.2 ± 3.2	0.540	14.0 ± 2.7	0.489
	YKR	36.0 ± 2.5		25.5 ± 1.6		41.4 ± 3.9		16.9 ± 3.2
BUN, mg/dL	CTL	16.8 ± 0.5	0.814	20.6 ± 0.5	0.667	17.7 ± 0.8	0.619	-2.9 ± 0.7	0.840
	YKR	16.6 ± 0.6		21.0 ± 0.7		18.3 ± 1.0		-2.7 ± 0.9
Cre, mg/dL	CTL	0.9 ± 0.0	0.606	1.0 ± 0.0	0.954	1.0 ± 0.1	0.828	0.0 ± 0.0	0.633
	YKR	0.9 ± 0.0		1.0 ± 0.0		0.9 ± 0.0		0.0 ± 0.0
eGFR	CTL	72.1 ± 1.9	0.219	68.0 ± 2.2	0.688	68.2 ± 2.0	0.816	0.2 ± 1.1	0.726
	YKR	68.7 ± 2.0		66.7 ± 2.3		67.5 ± 2.3		0.8 ± 1.3
Na, mmol/L	CTL	140.9 ± 0.2	0.752	140.9 ± 0.3	0.269	140.7 ± 0.2	0.604	-0.2 ± 0.3	0.101
	YKR	140.8 ± 0.3		140.4 ± 0.3		140.9 ± 0.3		0.5 ± 0.3
K, mmol/L	CTL	4.3 ± 0.0	0.768	4.1 ± 0.0	0.416	3.9 ± 0.0	0.792	-0.1 ± 0.3	0.360
	YKR	4.3 ± 0.0		4.1 ± 0.0		3.9 ± 0.0		0.2 ± 0.3
CRP, mg/dL	CTL	0.3 ± 0.1	0.407	15.7 ± 4.4	0.176	3.8 ± 2.4	0.586	-11.9 ± 4.0	0.233
	YKR	0.4 ± 0.1		14.9 ± 4.4		3.7 ± 1.8		-11.2 ± 4.1
BNP, pg/mL	CTL	90.4 ± 15.8	0.692	346.0 ± 30.1	0.554	264.0 ± 23.6	0.881	-72.0 ± 12.6	0.653
	YKR	99.0 ± 13.3		321.6 ± 24.5		258.6 ± 27.4		-63.0 ± 15.7

^aP < 0.05. Alb: Albumin; ALP: Alkaline phosphatase; ALT: Alanine aminotransferase; AST: Aspartate aminotransferase; BNP: Brain natriuretic peptide; BUN: Blood urea nitrogen; ChE: Cholinesterase; CK: Creatine kinase; Cre: Creatinine; CRP: C-reactive protein; eGFR: Estimated glomerular filtration rate; γGTP: Gamma-glutamyl transpeptidase; Hb: Hemoglobin: Hct: Hematocrit; K: Potassium; Na: Sodium; T-Bil: Total bilirubin; TP: Total protein; WBC: White blood cells; POD: Postoperative day; CTL: Control group; YKR: Yunker group.