Nomograms predicting prognosis of patients with pathological stages T1N2-3 and T3N0 gastric cancer

Table 1 Baseline characteristics of patients with pT1N2-3 and pT3N0 GC, n (%)

Characteristic	pT1N2-3b (n = 89)	pT3N0 (n = 370)	P value
Sex			< 0.001
Male	44 (49.4)	269 (72.7)
Female	45 (50.6)	101 (27.3)
Age (yr)			0.071
≤ 60	58 (65.2)	219 (59.2)
> 60	25 (34.8)	151 (40.8)
BMI (kg/m2)			0.964
< 24	63 (70.8)	261 (70.5)
≥ 24	26 (29.2)	109 (29.5)
Borrmann type			< 0.001
0	89 (100.0)	0 (0.0)
1	0 (0.0)	23 (6.2)
2	0 (0.0)	126 (34.1)
3	0 (0.0)	195 (52.7)
4 or 5	0 (0.0)	26 (7.0)
Tumor diameter (mm)			0.002
≤ 50	74 (83.1)	245 (66.2)
> 50	15 (16.9)	125 (33.8)
Tumor location			0.007
Upper	4 (4.5)	53 (14.3)
Middle	11 (12.4)	66 (17.8)
Lower	74 (83.1)	243 (65.7)
Total	0 (0.0)	8 (2.2)
Gastrectomy			0.001
Partial gastrectomy	83 (93.3)	289 (78.1)
Total gastrectomy	6 (6.7)	81 (21.9)
Histological type			0.043
Differentiated	32 (36.0)	177 (47.8)
Undifferentiated	57 (64.0)	193 (52.2)
pT stage			< 0.001
T1a	18 (20.2)	0 (0.0)
T1b	71 (79.8)	0 (0.0)
T3	0 (0.0)	370 (100.0)
pN stage			< 0.001
N0	0 (0.0)	370 (100.0)
N2	70 (78.7)	0 (0.0)
N3a	18 (20.2)	0 (0.0)
N3b	1 (1.1)	0 (0.0)
Vascular infiltration			0.021
No	64 (71.9)	306 (82.7)
Yes	25 (28.1)	64 (17.3)
Nerve infiltration			< 0.001
No	82 (92.1)	224 (60.5)
Yes	7 (7.9)	146 (39.5)
Postoperative chemotherapy			< 0.001
Yes	52 (58.4)	114 (30.8)
No	37 (41.6)	256 (69.2)

Tumor location, histological type, pT stage, pN stage, pTNM stage, vascular infiltration, and nerve infiltration were according to the postoperative pathology report. Statistically significant P values are in bold (P < 0.05). BMI: Body mass index.