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Comparison of sun protection factor (SPF) in each sunscreen group after swimming.
|
|
Before swimming, median (range) | After swimming, median (range) | P value |
| SPF of inorganic sunscreena | 27 (23-47) | 12.3 (8-19) | <.001 |
| SPF of organic sunscreena | 30 (24-47) | 9.9 (6-19) | <.001 |
aData analyzed using Wilcoxon test.
