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Demographic data for all participants
| Hot towel | Eye masks | P value | |
|---|---|---|---|
| Number of subjects | 68 | 66 | NA |
| Age, years | |||
| Mean ± SD | 39.5 ± 13.9 | 43.7 ± 13.5 | 0.08 |
| Median | 35.5 | 43.0 | NA |
| Minimum, maximum | 22, 67 | 23, 70 | NA |
| Gender, n (%) | |||
| Male | 20 (29.4) | 14 (21.2) | 0.28 |
| Female | 48 (70.6) | 52 (78.8) | |
NA not applicable
