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Seasonal risk of infection
| Season | Sample size (ATR) | Infection, n (%) | 95% CI | p value |
|---|---|---|---|---|
| Spring | 95 | 3 (3.2) | − 0.4 to 6.7 | n.s |
| Summer | 44 | 1 (2.3) | − 2.1 to 6.7 | |
| Autumn | 62 | 4 (6.5) | 0.3–12.6 | |
| Winter | 88 | 4 (4.5) | 0.2–8.9 | |
| Total | 289 | 12 (4.2) | 1.9–6.5 |
Chi-squared test, exact significance (2-sided)
