What do systematic reviews say?

NB‐UVB vs topical PUVA

• Narrow‐band ultraviolet B phototherapy versus broad‐band ultraviolet B or psoralen‐ultraviolet A photochemotherapy for… 2013 · Cochrane Headline outcomes only
  no estimate extracted
  0 studies · 0 participants
  GRADE not reported

NB‐UVB plus retinoid vs PUVA plus retinoid

NB‐UVB plus retinoid showed no clear difference in percentage of participants reaching PASI 75 compared with PUVA plus retinoid (low certainty).

• Narrow‐band ultraviolet B phototherapy versus broad‐band ultraviolet B or psoralen‐ultraviolet A photochemotherapy for… 2013 · Cochrane Headline outcomes only
  RR 0.89 [0.59, 1.35]
  1 study · 60 participants
  Low

NB‐UVB vs selective BB‐UVB

• Narrow‐band ultraviolet B phototherapy versus broad‐band ultraviolet B or psoralen‐ultraviolet A photochemotherapy for… 2013 · Cochrane Headline outcomes only
  no estimate extracted
  0 studies · 0 participants
  GRADE not reported

NB‐UVB vs oral PUVA

NB‐UVB showed no clear difference in percentage of participants reaching PASI 75 compared with oral PUVA (low certainty).

• Narrow‐band ultraviolet B phototherapy versus broad‐band ultraviolet B or psoralen‐ultraviolet A photochemotherapy for… 2013 · Cochrane Headline outcomes only
  RR 0.91 [0.63, 1.32]
  1 study · 51 participants
  Low

NB‐UVB vs bath PUVA

• Narrow‐band ultraviolet B phototherapy versus broad‐band ultraviolet B or psoralen‐ultraviolet A photochemotherapy for… 2013 · Cochrane Headline outcomes only
  no estimate extracted
  0 studies · 0 participants
  GRADE not reported