Table 1.
Clinical characteristics of gastric cancer patients in each age group
| Group I (young, <65 y) | Group II (early old, 65–74 y) | Group III (old, ≥75 y) | p-valuea) | p-valueb) | |
|---|---|---|---|---|---|
| Number of patients | 1680 | 919 | 384 | ||
| Sex | 0.443 | 0.333 | |||
| Male | 1,113 (66.3) | 635 (69.1) | 257 (66.9) | ||
| Female | 567 (33.7) | 284 (30.9) | 127 (33.1) | ||
| Smoking | 0.026* | <0.001* | |||
| No | 861 (51.3) | 535 (58.2) | 249 (64.8) | ||
| Yes | 819 (48.7) | 384 (41.8) | 135 (35.2) | ||
| Alcohol | 0.093 | <0.001* | |||
| No | 811 (48.3) | 565 (61.5) | 255 (66.4) | ||
| Yes | 869 (51.7) | 354 (38.5) | 129 (33.6) | ||
| Family history of gastric cancer | 0.015* | 0.019* | |||
| No | 1,403 (83.5) | 735 (80.0) | 329 (85.7) | ||
| Yes | 277 (16.5) | 184 (20.0) | 55 (14.3) | ||
| H. pylori status | 0.001* | <0.001* | |||
| No | 603 (35.9) | 440 (47.9) | 224 (58.3) | ||
| Yes | 1,077 (64.1) | 479 (52.1) | 160 (41.7) | ||
| Atrophic gastritis | 0.294 | 0.074 | |||
| No | 1,242 (73.9) | 641 (69.7) | 279 (72.7) | ||
| Yes | 438 (26.1) | 278 (30.3) | 105 (27.3) | ||
| Intestinal metaplasia | 0.965 | 0.006* | |||
| No | 989 (58.9) | 487 (53.0) | 204 (53.1) | ||
| Yes | 691 (41.1) | 432 (47.0) | 180 (46.9) |
Values are presented as number (%).
a)
Between young-old and old-old groups,
b)
among all age groups.
*
p<0.05.