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Dependence between age groups in subsequent illness groups
| Illness | 1 | 2 | 3 | 4 | 5 | Total | χ2 | Value of p |
|---|---|---|---|---|---|---|---|---|
| Ulceratio | 2 | 9 | 8 | 6 | 3 | 28 | 6.08 | > 0.05 |
| Gastritis antralis | 14 | 26 | 38 | 18 | 4 | 100 | 5.3 | > 0.05 |
| Gastritis | 3 | 1 | 2 | 5 | 2 | 13 | 9.063 | < 0.05 |
| Pangastritis | 3 | 1 | 7 | 4 | 1 | 16 | 3.62 | > 0.05 |
| Dyspepsia functionalis | 24 | 16 | 11 | 2 | 0 | 53 | 37.5 | < 0.05 |
| Total | 46 | 53 | 66 | 35 | 10 | 210 | 67.983 | < 0.05 (0.0002) |
