Copyright: ©Author(s) 2026.
World J Gastroenterol. Dec 28, 2026; 32(48): 122494
Published online Dec 28, 2026. doi: 10.3748/wjg.122494
Published online Dec 28, 2026. doi: 10.3748/wjg.122494
Table 10 Fit goodness test for the binomial distribution of family clusters in Helicobacter pylori-infected households
| Number of cases per household | Observed frequency (A) | Theoretical frequency (T) | Residual (A-T) |
| 0 | 180 | 110.7 | 69.3 |
| 1 | 79 | 168.4 | -89.4 |
| 2 | 86 | 98.9 | -12.9 |
| 3 | 49 | 30.4 | 18.6 |
| ≥ 4 | 21 | 6.7 | 14.3 |
- Citation: Lin BQ, Ye SF, Zou SM, Wang LL, Tang LM, Huang CM, Luo CL, Huang WK, Deng WW, Lai DQ, Li XL, Qiu T, Qiu HZ, Zeng ME. Prevalence, familial clustering, and influencing factors of Helicobacter pylori infection in Western Fujian Province households. World J Gastroenterol 2026; 32(48): 122494
- URL: https://www.wjgnet.com/1007-9327/full/v32/i48/122494.htm
- DOI: https://dx.doi.org/10.3748/wjg.122494