Table III.
Means of mtDNA copy numbers by selected variables among Tibetan gastric cancer patients and control subjects.
| Gastric cancer cases (n=23) | Controls (n=40) | |||||
|---|---|---|---|---|---|---|
| Characteristics | Cases | mtDNA copy no. | P-value | Cases | mtDNA copy no. | P-value |
| BMI, kg/m2 | 0.8971 | 0.2521 | ||||
| <24 | 6 | 1.445±0.429 | 12 | 1.135±0.493 | ||
| >24 and <30 | 10 | 1.3139±0.481 | 15 | 1.235±0.742 | ||
| >30 | 7 | 1.083±0.492 | 13 | 1.111±0.408 | ||
| Smoking status | 0.7426 | 0.7667 | ||||
| Never | 10 | 1.297±0.471 | 13 | 1.184±0.618 | ||
| Ever | 13 | 1.221±0.514 | 27 | 1.126±0.460 | ||
| Alchohol consumption | 0.2665 | 0.4026 | ||||
| Never | 10 | 1.404±0.462 | 21 | 1.237±0.635 | ||
| Ever | 13 | 1.180±0.472 | 19 | 1.084±0.484 | ||
| Family history of gastric cancer | 0.1483 | 0.4453 | ||||
| No | 21 | 1.233±0.453 | 38 | 1.181±0.573 | ||
| Yes | 2 | 1.743±0.559 | 2 | 0.862±0.373 | ||
| H. pylori infection | 0.5233 | 0.5257 | ||||
| Positive | 17 | 1.316±0.464 | 28 | 1.203±0.613 | ||
| Negattive | 6 | 1.169±0.520 | 12 | 1.076±0.452 | ||
mtDNA, mitochondrial DNA; BMI, body mass index; H. pylori, Helicobacter pylori.