Effects of comprehensive nutrition support on immune function, wound healing, hospital stay, and mental health in gastrointestinal surgery

Table 1 Comparison of general data between the two groups, n (%)

Index	Experimental group (n = 30)	Control group (n = 30)	t/F	P value
Age (years)	48.38 ± 9.18	52.94 ± 9.73	-1.87	0.07
Sex (male/female)	18/12	17/13	0.26	0.80
BMI (kg/m²)	23.02 ± 2.89	23.89 ± 3.21	-1.10	0.28
Type of operation	Stomach cancer: 20; colon cancer: 10	Stomach cancer: 18; colon cancer: 12	-3.27	0.58
Underlying disease	12 (40)	14 (46.7)	2.17	0.62

BMI: Body mass index.

Table 2 Comparison of immune function indexes on the seventh day after surgery between the two groups

Index	Experimental group (n = 30)	Control group (n = 30)	t	P value
White blood cell count (× 109/L)	8.52 ± 1.19	6.74 ± 1.31	5.51	< 0.05
CD4+ T cell ratio (%)	40.09 ± 4.91	33.01 ± 5.08	5.49	< 0.05
CD8+ T cell ratio (%)	21.79 ± 3.38	26.29 ± 3.09	-5.38	< 0.05
CD4+/CD8+ ratio	1.91 ± 0.32	1.13 ± 0.23	11.00	< 0.05

Table 3 Comparison of wound healing between the two groups, n (%)

Index	Experimental group (n = 30)	Control group (n = 30)	t	P value
Wound infection rate	3 (10)	9 (30)	-3.62	< 0.05
Wound healing time (days)	10.35 ± 2.42	14.42 ± 3.15	-5.62	< 0.05

Table 4 Comparison of pain score (visual analog scale) and length of stay between the two groups

Index	Experimental group (n = 30)	Control group (n = 30)	t	P value
VAS score on day 3 after surgery	3.05 ± 1.04	5.11 ± 1.09	-7.12	< 0.05
VAS score on the 7th day after surgery	2.19 ± 0.93	4.43 ± 1.05	-8.80	< 0.05
Length of stay (days)	16.16 ± 3.12	20.93 ± 4.84	-4.53	< 0.05

Vas: Visual analog scale.

Table 5 Comparison of psychological status scores between the two groups

Index	Experimental group (n = 30)	Control group (n = 30)	t	P value
HAMA score	8.88 ± 1.87	12.1 ± 3.27	-4.69	< 0.05
HAMD score	7.37 ± 1.41	11.79 ± 2.77	-7.79	< 0.05

HAMA: The Hamilton Anxiety Rating Scale; HAMD: The Hamilton Depression Rating Scale.