Table 3.
Study year, type of phototherapy of used in each study, number of patients treated, study duration and number of patients showing significant improvement following treatment.
| Study | 100% | Signif | Study | ||
|---|---|---|---|---|---|
| Year | Group | N | Improv | Improv | Duration |
| 1996 | UVB + Placebo | 7 | NR | 7 | 8 weeks |
| UVB + Calcitirol | 6 | NR | 6 | 8 weeks | |
| 2010 | UVB | 29 | 29 | 29 | 4 mos |
| No UVB | 29 | 0 | 0 | 4 mos | |
| 2009 | BB-UVB | 26 | NR | 26 | 8 to 12 weeks |
| NB-UVB | 42 | NR | 42 | 8 to 12 weeks | |
| 2010 | BB-UVB | 24 | NR | 24 | 8 to 12 weeks |
| Sunshine | 20 | NR | 20 | 2 weeks | |
| Total | 183 | 29 | 154 |
Note: N = number of patients treated, NR = not reported, Signif Improv = significant improvement reported.