Table 2.
TNM stages of the young, middle, and old age group patients.
| Characteristics | Young group N = 165 (11.96%) |
Middle group N = 716 (51.92%) |
Old group N = 498 (36.11%) |
P value | |
|---|---|---|---|---|---|
| T stage | T1 | 33 (20.0) | 124 (17.3) | 69 (13.9) | 0.049 |
| T2 | 16 (9.7) | 81 (11.3) | 52 (10.4) | ||
| T3 | 6 (3.6) | 12 (1.7) | 13 (2.6) | ||
| T4 | 110 (66.7) | 499 (69.7) | 364 (73.1) | ||
|
| |||||
| N stage | N0 | 48 (29.1) | 228 (31.8) | 160 (32.1) | 0.453 |
| N1 | 24 (14.5) | 124 (17.3) | 95 (19.1) | ||
| N2 | 33 (20.0) | 121 (16.9) | 96 (19.3) | ||
| N3 | 60 (36.4) | 243 (33.9) | 147 (29.5) | ||
|
| |||||
| TNM stage | IA | 25 (15.2) | 93 (13.0) | 61 (12.2) | 0.327 |
| IB | 9 (5.5) | 58 (8.1) | 28 (5.6) | ||
| IIA | 11 (6.7) | 24 (3.4) | 24 (4.8) | ||
| IIB | 17 (10.3) | 103 (14.4) | 75 (15.1) | ||
| IIIA | 14 (8.5) | 88 (12.3) | 69 (13.9) | ||
| IIIB | 27 (16.4) | 103 (14.4) | 69 (13.9) | ||
| IIIC | 40 (24.2) | 172 (24.0) | 109 (21.9) | ||
| IV | 22 (13.3) | 75 (10.5) | 63 (12.7) | ||
|
| |||||
| Positive lymph nodes | Number | 6.6 ± 8.5 | 6.3 ± 8.4 | 5.3 ± 7.1 | 0.215 |
|
| |||||
| Harvested lymph nodes | Number | 23.6 ± 12.7 | 24.3 ± 13.9 | 22.2 ± 13.6 | 0.028 |
DG: distal gastrectomy; TG: total gastrectomy; PG: proximal gastrectomy; U: upper; M: middle; L: lower; EGC: early gastric cancer.