Prognostic value and predictive model of tumor markers in stage I to III gastric cancer patients

Table 1 Patient demographics and clinicopathologic features, n (%)

Variables	Patients (n = 1236)
Gender
Male	937 (75.8)
Female	299 (24.2)
Age
< 65	685 (55.4)
≥ 65	551 (44.6)
Drinking
Yes	269 (21.8)
No	967 (78.2)
Smoking
Yes	266 (21.5)
No	970 (78.5)
Operation methods
Open surgery	1103 (89.2)
Laparoscopic surgery	133 (10.8)
Hospitalization time
< 15 days	539 (43.6)
≥ 15 days	697 (56.4)
Clinical stage
I	288 (23.3)
II	272 (22.0)
III	676 (54.7)
T stage
T1	224 (18.1)
T2	127 (10.3)
T3	174 (14.1)
T4	711 (57.5)
N stage
N0	504 (40.8)
N1	203 (16.4)
N2	227 (18.4)
N3	302 (24.4)
Tumor location
Cardia	633 (51.2)
Gastric body	239 (19.3)
Antrum of stomach	364 (29.5)
Pathological type
Adenocarcinoma	1168 (94.5)
Mucinous adenocarcinoma	42 (3.4)
Squamous cell carcinoma	15 (1.2)
Signet ring cell carcinoma	11 (0.9)
Degree of differentiation
Well	19 (1.5)
High	42 (3.4)
Medium	300 (24.3)
Moderate to low	330 (26.7)
Poor	545 (44.1)
Borrmann type
I	155 (12.5)
II	287 (23.2)
III	737 (59.6)
IV	57 (4.7)
Size
< 5cm	690 (55.8)
≥ 5cm	546 (44.2)
Survival status
Alive	842 (68.1)
Dead	394 (31.9)