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CC16 levels (μg/L) in plasma of children who do and do not regularly visit pools, before (S1) and after (S2) outdoor exercise (mean ± SD).
| Category | S1 | S2 | Paired t-test |
|---|---|---|---|
| All (n = 31) | 7.2 ± 2.9 | 7.0 ± 2.7 | p = 0.31 |
| Non-pool visitors (n = 31) | 8.2 ± 2.8 | 8.0 ± 2.6 | p = 0.68 |
| Pool visitors (n = 20) | 5.7 ± 2.4 | 5.3 ± 1.7 | p = 0.14 |
| t-Test pool visitors versus nonvisitors | p < 0.002 | p < 0.001 |
