Application of early enteral nutrition nursing based on enhanced recovery after surgery theory in patients with digestive surgery

Table 1 Comparison of clinical data between the two groups

Item	Observation group (n = 63)	Control group (n = 63)	χ2/t value	P value
Gender
Male	36	39	0.297	0.586
Female	27	24
Age (yr)	51.29 ± 6.31	52.01 ± 6.52	0.630	0.530
Primary disease
Gastric tumor	24	23	0.548	0.459
Colorectal tumor	39	40
BMI (kg/m2)	21.59 ± 1.93	21.86 ± 1.79	0.814	0.417
Operation time (min)	108.14 ± 8.72	110.52 ± 8.13	1.585	0.116
ASA grading
Grade 1	5	7
Grade 2	58	56

BMI: Body mass index; ASA: American Society of Anesthesiologists.