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| Gender | Cases (n) | Positive cases (n) | IRR | 95% CI | P value |
|---|---|---|---|---|---|
| Year | 28,814 | 6,603 | 0.906 | 0.892–0.921 | 0.000 |
| Season | 24,459 | 7,772 | 1.078 | 1.060–1.097 | 0.000 |
| Age | 53,273 | 14,375 | 1.138 | 1.134–1.143 | 0.000 |
IRR and their 95% CI were calculated using a Poisson regression model. Mp, Mycoplasma pneumonia; IRR, incidence rate ratios; CI, confidence interval.
