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Evidence of a decrease in gastric cancer mortality by the PG method at a municipality of Hiroshima Prefecture using Mantel–Hentzel estimate of the odds ratio63)
| Odds ratio | 95% of confidence intervals | Number of individuals | |
|---|---|---|---|
| Visit within 1 year | 0.238 | (0.061–0.929) | 41 |
| Visit within 2 years | 0.375 | (0.155–0.905) | 41 |
| Visit within 3 years | 0.290 | (0.111–0.759) | 36 |
| Visit within 4 years | 0.423 | (0.164–1.091) | 32 |
| Visit within 5 years | 0.440 | (0.171–1.135) | 31 |
