| Primary: investigator‐rated improvement good/excellent control | |||
|---|---|---|---|
| Study | Group ‐ within‐participant study | Event number | Total number of pairs of hands analysed |
| after 1 month | |||
| King 1984 | Grenz Ray | 7 | 15 |
| King 1984 | Placebo | 0 | 15 |
| after 3 months | |||
| King 1984 | Grenz Ray | 10 | 15 |
| King 1984 | Placebo | 6 | 15 |
| after 6 months | |||
| King 1984 | Grenz Ray | 11 | 15 |
| King 1984 | Placebo | 8 | 15 |
| Hyperkeratotic eczema after 6 months | |||
| King 1984 | Grenz Ray | 4 | 8 |
| King 1984 | Placebo | 2 | 6 |
| Pompholyx after 6 months | |||
| King 1984 | Grenz Ray | 7 | 7 |
| King 1984 | Placebo | 6 | 7 |
| Chronic palmar eczema after 6 months | |||
| King 1984 | Grenz Ray | 11 | 15 |
| King 1984 | Placebo | 0 | 15 |
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