Factors influencing analysis of the efficacy of probiotics combined with enteral nutrition in postoperative patients with colorectal cancer

Table 1 Comparison of demographic characteristics between two groups, n (%)

Parameter	Good efficacy group (n = 279)	Poor efficacy group (n = 232)	t/χ²	P value
Age (years)	49.63 ± 8.54	52.66 ± 7.57	4.207	< 0.001
Female/male	128 (45.88)/151 (54.12)	111 (47.84)/121 (52.16)	0.197	0.657
Ethnicity (Han/other)	227 (81.36)/52 (18.64)	183 (78.88)/49 (21.12)	0.492	0.483
BMI (kg/m²)	22.64 ± 2.55	22.24 ± 2.84	1.668	0.096
ECOG performance status (0/≥ 1)	243 (87.1)/36 (12.9)	185 (79.74)/47 (20.26)	5.037	0.025
Smoking history (yes/no)	102 (36.56)/177 (63.44)	83 (35.78)/149 (64.22)	0.034	0.854
Drinking history (yes/no)	69 (24.73)/210 (75.27)	67 (28.88)/165 (71.12)	1.116	0.291
Hypertension (yes/no)	95 (34.05)/184 (65.95)	85 (36.64)/147 (63.36)	0.372	0.542
Diabetes (yes/no)	100 (35.84)/179 (64.16)	78 (33.62)/154 (66.38)	0.275	0.600
Educational level (high school or below/college or above)	38 (13.62)/241 (86.38)	39 (16.81)/193 (83.19)	1.007	0.316
Marital status (married/unmarried)	131 (46.95)/148 (53.05)	120 (51.72)/112 (48.28)	1.154	0.283
RIP (< 1/1-3/3)	71 (25.45)/115 (41.22)/93 (33.33)	64 (27.59)/112 (48.28)/56 (24.14)	5.313	0.070
TNM stage (≤ II/> II)	137 (49.1)/142 (50.9)	91 (39.22)/141 (60.78)	5.004	0.025
Tumour size (cm)	3.38 ± 0.95	3.52 ± 1.09	1.478	0.140

BMI: Body mass index; ECOG: Eastern Cooperative Oncology Group performance status; RIP: The ratio of family income to poverty; TNM: Tumor node metastasis.