Table 3. Gastric damages and risk factors.
| CI | NA | GA | IM | GC | Total | ||
|---|---|---|---|---|---|---|---|
| Age | <50 y | 340/372(91.4) | 278/372(74.7) | 293/372(78.8) | 38/372(10.2) | 17/372(4.6) | 378/801(47.2) |
| >50 y | 384/419(91.6) | 307/419(73.3) | 351/419(83.8) | 78/419(18.6) | 32/419(7.6) | 423/801(52.8) | |
| p value | 0.5 | 0.34 | 0.04 | 0.0005 | 0.04 | ||
| Gender | Male | 389/418(93.1) | 310/418(74.2) | 339/418(81.1) | 79/418(18.9) | 30/418(7.2) | 424/801(52.9) |
| Female | 335/373(89.8) | 275/373(73.7) | 305/373(81.8) | 37/373(9.9) | 19/373(5.1) | 377/801(47.1) | |
| p value | 0.06 | 0.47 | 0.44 | 0.0002 | 0.14 | ||
| Smoking | Yes | 189/200(94.5) | 159/200(79.5) | 157/200(78.5) | 31/200(15.5) | 16/200(8) | 204/780(26.2) |
| No | 514/570(90.2) | 411/570(72.1) | 471/570(82.6) | 81/570(14.2) | 32/570(5.6) | 576/780(73.8) | |
| p value | 0.03 | 0.02 | 0.1 | 0.36 | 0.15 | ||
| Alcohol | Yes | 64/68(94.1) | 49/68(72.1) | 52/68(76.5) | 12/68(17.6) | 5/68(7.4) | 69/780(8.8) |
| No | 639/702(91) | 521/702(74.2) | 576/702(82.1) | 100/702(14.2) | 43/702(6.1) | 711/780(91.2) | |
| p value | 0.27 | 0.39 | 0.16 | 0.27 | 0.42 | ||
| Living area | Rural | 247/265(93.2) | 198/265(74.7) | 230/265(86.8) | 47/265(17.7) | 22/265(8.3) | 271/780(34.7) |
| Urban | 456/505(90.3) | 372/505(73.7) | 398/505(78.8) | 65/505(12.9) | 26/505(5.1) | 590/780(65.3) | |
| p value | 0.10 | 0.41 | 0.003 | 0.04 | 0.06 | ||
| H.pylori* | Positive | 440/473 (93) | 375/473(79.3) | 399/473(84.4) | 50 /473(10.6) | 25/473(5.3) | 478/801(59.7) |
| Negative | 284/318(89.3) | 210/318 (66) | 245 /318(77) | 66 /318(20.8) | 24/318(7.5) | 323/801(40.3) | |
| p value | 0.04 | 0.00002 | 0.006 | 0.00006 | 0.12 |
* H.pylori PCR result