Prognostic impact of tumor deposits on overall survival in colorectal cancer: Based on Surveillance, Epidemiology, and End Results database

Table 1 Characteristics of patients according to the presence and absence of tumor deposits

	Tumor deposits		P value
	No (89624)	Yes (14131)
Sex			0.827
Female	43569 (48.6%)	6855 (48.5%)
Male	46055 (51.4%)	7276 (51.5%)
Race			0.420
White	70019 (78.1%)	11015 (77.9%)
Black	10345 (11.5%)	1681 (11.9%)
Others	9260 (10.3%)	1435 (10.2%)
Age group, yr			< 0.001a
< 45	5740 (6.40%)	1231 (8.71%)
45-75	58860 (65.7%)	9387 (66.4%)
≥ 75	25024 (27.9%)	3513 (24.9%)
TNM-stage			< 0.001a
Ι	24816 (27.7%)	111 (0.79%)
ΙΙ	29374 (32.8%)	825 (5.84%)
ΙΙΙ	26627 (29.7%)	7697 (54.5%)
ΙV	8807 (9.83%)	5498 (38.9%)
T-stage			< 0.001a
T1	15480 (17.3%)	181 (1.28%)
T2	14312 (16.0%)	482 (3.41%)
T3	47654 (53.2%)	7890 (55.8%)
T4	12178 (13.6%)	5578 (39.5%)
N-stage			< 0.001a
N0	56512 (63.1%)	1247 (8.82%)
N1	22127 (24.7%)	6582 (46.6%)
N2	10985 (12.3%)	6302 (44.6%)
M-stage			< 0.001a
M0	80817 (90.2%)	8633 (61.1%)
M1	8807 (9.83%)	5498 (38.9%)
Liver metastasis			< 0.001a
No	82821 (92.4%)	10377 (73.4%)
Yes	6443 (7.19%)	3627 (25.7%)
Unknown	360 (0.40%)	127 (0.90%)
Lung metastasis			< 0.001a
No	87677 (97.8%)	13053 (92.4%)
Yes	1526 (1.70%)	893 (6.32%)
Unknown	421 (0.47%)	185 (1.31%)
Site			< 0.001a
Colon	71779 (80.1%)	11697 (82.8%)
Rectum	16603 (18.5%)	2148 (15.2%)
Unknown	1242 (1.39%)	286 (2.02%)
CEA			< 0.001a
Normal	32166 (35.9%)	3543 (25.1%)
Elevated	20936 (23.4%)	5705 (40.4%)
Borderline	279 (0.31%)	48 (0.34%)
Unknown	36243 (40.4%)	4835 (34.2%)
Perineural invasion			< 0.001a
Negative	75025 (83.7%)	8437 (59.7%)
Positive	7301 (8.15%)	4659 (33.0%)
Unknown	7298 (8.14%)	1035 (7.32%)

^aP < 0.05.

TNM: Tumor, node and metastasis; CEA: Carcinoembryonic antigen.