Effect of intensive vs conventional insulin therapy on perioperative nutritional substrates metabolism in patients undergoing gastrectomy

Table 2 Body composition

Values	Group	n	Day 0	1st	3rd	7th	P value
ICF	IIT	32	22.42 ± 2.55	21.90 ± 2.57	21.48 ± 2.64	21.09 ± 2.19c,e	0.026
	CIT	32	22.66 ± 2.69	21.97 ± 2.69	21.34 ± 2.54	20.17 ± 2.02c
ECF	IIT	32	11.31 ± 1.64	11.57 ± 1.75	11.34 ± 1.62	11.06 ± 1.55c	0.381
	CIT	32	11.35 ± 1.71	11.63 ± 1.63	11.40 ± 1.58	11.11 ± 1.63c
FM	IIT	32	11.76 ± 3.43	11.18 ± 3.55	10.65 ± 2.87	10.17 ± 2.40c,e	0.042
	CIT	32	11.83 ± 4.15	10.93 ± 3.88	10.02 ± 2.84	9.18 ± 2.24c
BM	IIT	32	2.70 ± 0.34	2.68 ± 0.33	2.63 ± 0.35	2.64 ± 0.39	0.418
	CIT	32	2.69 ± 0.36	2.61 ± 0.34	2.60 ± 0.34	2.62 ± 0.36
PM	IIT	32	12.13 ± 1.68	11.41 ± 1.53a	11.08 ± 1.62	11.01 ± 1.41e	0.009
	CIT	32	12.19 ± 1.52	11.38 ± 1.53	10.89 ± 1.52	10.45 ± 1.24c
TBW	IIT	32	33.73 ± 5.09	33.47 ± 4.94	32.83 ± 4.49	32.15 ± 4.51	0.263
	CIT	32	34.01 ± 4.86	33.6 ± 4.84	32.74 ± 4.73	32.28 ± 4.85
MM	IIT	32	45.86 ± 6.05	44.88 ± 5.84	43.91 ± 5.70	43.16 ± 5.32c	0.146
	CIT	32	46.20 ± 5.85	44.98 ± 5.74	43.63 ± 5.42	42.73 ± 5.24c
FFM	IIT	32	48.56 ± 7.24	47.56 ± 6.98	46.54 ± 6.85	45.80 ± 7.01	0.179
	CIT	32	48.89 ± 7.11	47.59 ± 7.01	46.23 ± 6.94	45.35 ± 6.86c
BW	IIT	32	60.32 ± 8.45	58.74 ± 8.55	57.19 ± 7.84	55.97 ± 7.55c	0.094
	CIT	32	60.72 ± 8.88	58.52 ± 8.32	56.25 ± 7.68	54.53 ± 7.12c

ICF: Internal cell fluid; ECF: External cell fluid; FM: Fat mass; BM: Bone mass; PM: Protein mass; TBW: Total body water; FFM: Free fat mass; MM: Muscle mass; BW: Body weight; IIT: Intensive insulin therapy; CIT: Conventional insulin therapy. There were significant differences between preoperative day 0 and postoperative day 1 (^aP < 0.05), between day 0 and postoperative day 7 (^cP < 0.05) and between the two groups at the same time (^eP < 0.05), respectively.