Application of multivariate logistic regression in predicting postoperative intestinal function recovery and lymph node metastasis in colorectal cancer

Table 1 Descriptive statistics of the entire patient cohort (n = 197)

Variable	Count	Mean/n	Std Dev/%	Min	25%	Median	75%	Max
Demographic and clinical
Age (years)	197	58.1	11.3	34	50	59	67	78
Sex (male)	197	109	-55.33%	-	-	-	-	-
BMI (kg/m2)	197	23.8	3.1	16.2	21.6	23.9	25.8	32.5
Smoker	197	62	-31.50%	-	-	-	-	-
Diabetes	197	31	-15.70%	-	-	-	-	-
Hypertension	197	67	-34.00%	-	-	-	-	-
Surgical and tumor
Surgical approach (laparoscopic)	197	163	82.74%	-	-	-	-	-
Operation time (minute)	197	152.4	31.7	85	130	150	175	245
Intraoperative blood loss (mL)	197	132.8	45.2	50	100	120	150	350
Tumor location (colon/rectum)	197	118/79	(59.9%/40.1%)	-	-	-	-	-
Tumor size (cm)	197	4.6	1.4	1.5	3.6	4.5	5.5	9
T3-4 stage	197	128	-65.00%	-	-	-	-	-
Poor differentiation	197	53	-26.90%	-	-	-	-	-
Intestinal function (subset, n = 33)
First exhaust time (days)	33	3.36	1.06	2	3	3	4	6
First defecation time (days)	33	3.79	1.14	2	3	4	4	6
Bowel sound recovery (days)	33	2.64	0.74	1	2	3	3	4
Laboratory parameters (subset, n = 86)
Albumin (g/L)	86	40.22	6.31	26.3	36.82	41.4	43.88	73.4
Globulin (g/L)	86	28.38	5.79	20.1	24.85	27.4	31.2	66.4
WBC (× 109/L)	86	6.26	2.28	2.53	4.79	5.86	7.53	16.77
Neutrophil %	86	8.3	70.99	0.17	0.58	0.65	0.72	659
Lymphocyte %	86	0.27	0.17	0.06	0.18	0.26	0.31	1.47
Platelet (× 109/L)	86	233.96	91.46	0.31	179	226.5	273.75	482
Fibrinogen (g/L)	86	3.68	0.92	1.93	3.01	3.6	4.28	6.23
ALT (U/L)	86	17.72	11.07	2	11	14.5	22	74
AST (U/L)	86	21.66	8.92	6	17	20	24.75	78

Std Dev: Standard deviation; Min: Minimum; Max: Maximum; BMI: Body mass index; ALT: Alanine aminotransferase; AST: Aspartate aminotransferase; WBC: White blood cell.