Table 84Summary of non-analysed data for PUVA 2 vs 3 times weekly

StudyResultTreatment favouredGrade rating
ValbuenaN2-times a week3-times a weekp-valueNo difference for total group 2-times weekly better for skin types III–IV and the ostraceous subtype of psoriasisLOW
Skin type I691.5 (89.9–97.1)93.2 (91.8–94.0)0.673
Skin type III–IV1793.1 (91–94.9)95.5 (93.0–96.8)0.079
Vulgaris1693.6 (92.6–96.4)95.2 (79.1–99.2)
Ostraceous790.5 (87.3–91.1)94.0 (92.8–96.0)0.043
Total group2392.9 (89.9–96.1)94.8 (91.8–96.8)0.179

From: 9, Phototherapy

Cover of Psoriasis
Psoriasis: Assessment and Management of Psoriasis.
NICE Clinical Guidelines, No. 153.
National Clinical Guideline Centre (UK).
Copyright © National Clinical Guideline Centre - October 2012.

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