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Survival fraction of Staphylococcus epidermis and Staphylococcus aureus with different UV light energy in the UV-riboflavin group (irradiation time: 20 min).
| Power density (mW/cm2) | Survival fraction of S. epidermidis (%) | Survival fraction of S. aureus (%) |
|---|---|---|
| 0 | 100 | 100 |
| 1.065 | 55.1 ± 3.6 | 70.5 ± 2.7 |
| 2.474 | 43.5 ± 2.2 | 56 ± 2.3 |
| 5.273 | 38.1 ± 1.9 | 43.3 ± 1.7 |
| 7.299 | 28.3 ± 1.6 | 32.6 ± 1.5 |
