Table 1. Clinical stage (cTNM) and 1, 3, 5-year and median survivals in patients with gastric cancer, based on NCDB/Shizuoka Cancer Center data and stratified by clinical stage grouping (cTNM).
| Clinical stage group | Patients, n7,306/4,091 | 1-year survival, % | 3-year survival, % | 5-year survival, % | Median survival, mon |
|---|---|---|---|---|---|
| I (T1-2, N0) | 1,418/2,318 | 80.6/98.9 | 64.9/95.0 | 56.7/90.2 | 84.93/– |
| IIa (T1-2, N+) | 296/161 | 74.2/96.8 | 53.7/83.6 | 47.3/75.2 | 46.06/– |
| IIb (T3-4a, N0) | 783/566 | 68.9/87.8 | 41.4/67.7 | 33.1/59.3 | 23.82/98.73 |
| III (T3-4a, N0) | 1,427/758 | 66.4/82.9 | 33.1/55.1 | 25.9/43.4 | 19.12/45.07 |
| IV (T4b & M+) | 3,382/288 | 28.3/51.7 | 7.8/22.1 | 5.0/14.1 | 6.24/13.3 |
NCDB, National Cancer Database (USA).