Table 1 Patient's demographics and tumors characteristics
Year of diagnostic | ||||||
|---|---|---|---|---|---|---|
Before 1990 | 1990 and after | |||||
(n = 207) | (n = 219) | |||||
Total | % | n | % | n | ρ | |
Gender | = .919 | |||||
Male | 276 | 64.9 | 135 | 64.4 | 141 | |
Female | 150 | 35.1 | 72 | 35.6 | 78 | |
Age. years | < .001 | |||||
< 61 | 182 | 54.1 | 112 | 31.7 | 70 | |
> 61 | 244 | 45.9 | 95 | 68.3 | 149 | |
Tumor location* | = .097 | |||||
Cardia | 32 | 6.3 | 10 | 11.6 | 22 | |
Body | 130 | 37.3 | 61 | 36.5 | 69 | |
Antrum | 187 | 56.3 | 89 | 51.9 | 98 | |
Local invasion** | < .001 | |||||
T1 | 44 | 2.9 | 6 | 17.4 | 38 | |
T2 | 76 | 17.9 | 37 | 17.8 | 39 | |
T3 | 294 | 78.7 | 163 | 59.7 | 131 | |
T4 | 12 | 0.5 | 1 | 5.1 | 11 | |
Lymph node involvement*** | = .624 | |||||
N0 | 181 | 41.1 | 85 | 43.8 | 96 | |
N1 | 141 | 36.2 | 75 | 30.1 | 66 | |
N2 | 95 | 22.7 | 47 | 21.9 | 48 | |
N3 | 9 | 0.0 | 0 | 4.1 | 9 | |
Stage**** | = .562 | |||||
IA | 34 | 0.5 | 1 | 15.0 | 33 | |
IB | 58 | 15.5 | 32 | 11.9 | 26 | |
II | 116 | 31.4 | 65 | 23.3 | 51 | |
IIIA | 118 | 30.9 | 64 | 24.7 | 54 | |
IIIB | 83 | 21.3 | 44 | 17.8 | 39 | |
IV | 17 | 0.5 | 1 | 7.3 | 16 | |