Table 26:

Characteristics of Included Studies

Study, Year	Design	Population Characteristics	Study Size
Koek et al., 200928 (PLUTO study)	RCT in which people with psoriasis from 14 hospitals in the Netherlands were randomized to receive home or outpatient NB-UVB	Adults aged ≥ 18 years	196 participants, 98 in each intervention arm
Haykal and DesGroseillers, 200664	Convenience sampling in which people with a photoresponsive skin condition attended one of two photodermatology clinics in Ottawa	The distribution of photoresponsive skin conditions was as follows: 20 psoriasis, 2 vitiligo, 2 mycosis fungoides, and 1 atopic dermatitis	25 participants
Cameron et al., 200263	Convenience sampling in which people with psoriasis received routine outpatient phototherapy from one of two rural hospitals in the UK	Not reported	52 patients

Abbreviation: NB-UVB: narrowband ultraviolet B phototherapy.