Comparison 19. Irradiation with UV light: UVA‐1 versus placebo.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Primary: adverse events ‐ discontinuation because of exacerbation	1		Risk Ratio (M‐H, Random, 95% CI)	Totals not selected
2 Secondary: participant‐rated reduction in severity on VAS for itch (week 3, bigger reduction in severity = better outcome)	1		Mean Difference (IV, Random, 95% CI)	Totals not selected
3 Secondary: investigator‐rated reduction in severity on dyshidrotic eczema area and severity index (DASI) (week 3, bigger reduction in severity = better outcome)	1		Mean Difference (IV, Random, 95% CI)	Totals not selected