Prognostic values of chromosome 18q microsatellite alterations in stage II colonic carcinoma

Table 1 Clinical features of patients and survival status after surgery n (%)

Characteristics	Patients	Survival (mo) (mean ± SE)	3-yr overall survival (%)	5-yr overall survival (%)	P value
Gender					0.753
Male	66 (62.3)	104 ± 3	90.7	83.2
Female	40 (37.7)	100 ± 3	91.6	84.1
Age (yr)					0.011
≤ 60	60 (56.6)	107 ± 2	93.5	89.7
> 60	46 (43.4)	97 ± 4	88.0	77.4
Tumor site					0.467
Right colon	47 (44.3)	100 ± 3	89.5	82.9
Left colon	59 (55.7)	104 ± 3	92.2	84.8
Tumor size (cm)					0.213
< 5	48 (45.3)	108 ± 3	93.8	91.8
≥ 5	58 (54.7)	101 ± 3	90.1	80.6
Grade					0.220
Well/moderately differentiated	81 (76.4)	103 ± 2	92.0	85.3
Poorly differentiated	25 (23.6)	104 ± 4	90.7	82.7
Histologic features					0.246
Adenocarcinoma	79 (74.5)	104 ± 2	91.6	83.9
Mucinous	27 (25.5)	101 ± 4	87.6	78.3
pT stage					0.090
T3	63 (59.4)	106 ± 2	93.9	85.8
T4	43 (40.6)	96 ± 4	87.0	78.5
Chemotherapy					0.114
No	18 (17.0)	99 ± 3	83.3	69.8
Yes	88 (83.0)	103 ± 4	90.9	84.8