Emergency presentation predicts advanced pathological stage in colorectal cancer: An ordinal regression analysis

Table 1 Baseline, tumor, and pathological characteristics according to mode of presentation, n (%)

Variable	Emergency (n = 56)	Elective (n = 96)	P value
Age, years, mean ± SD	67.0 ± 11.5	67.2 ± 11.6	0.900
Male sex	31 (55.4)	52 (54.2)	1.000
ASA score, mean ± SD	3.07 ± 0.74	2.76 ± 0.71	0.012
Tumor localization			0.932
Right colon	18 (32.1)	33 (34.4)
Left colon	13 (23.2)	18 (18.8)
Sigmoid colon	3 (5.4)	9 (9.4)
Rectosigmoid	11 (19.6)	20 (20.8)
Rectum	4 (7.1)	6 (6.3)
Diffuse colon	7 (12.5)	10 (10.4)
Pathological stage			< 0.001
Stage I	1 (1.8)	20 (20.8)
Stage II	10 (17.9)	31 (32.3)
Stage III	19 (33.9)	35 (36.5)
Stage IV	26 (46.4)	10 (10.4)
Advanced stage (stage III-IV)	45 (80.4)	45 (46.9)	< 0.001
≥ 12 lymph nodes retrieved	46 (82.1)	88 (91.7)	0.136

Continuous variables were compared using Student’s t test, and categorical variables using Pearson χ² test or Fisher’s exact test, as appropriate. ASA: American Society of Anesthesiologists.