Document Classification

Section Type: RESULTS

Text: During treatment, mean + / - SD WTP fell from 13. 8 + / - 19. 2 % to 11. 5 + / - 15. 9 % (relative improvement 16. 7 % ; P < 0. 05), TTO (h per day) from 2. 7 + / - 3. 8 to 2. 3 + / - 3. 6 (relative improvement 15 % ; P < 0. 001), PDI improved from 29. 8 + / - 18. 6 to 23. 5 + / - 18. 9 (relative improvement 21. 1 % ; P < 0. 001) and PASI (available for 113 patients) from 14. 9 + / - 7. 7 to 5. 6 + / - 5. 0 (relative improvement 62. 4 % ; P < 0. 001).