What do systematic reviews say?

NB‐UVB vs topical PUVA

NB‐UVB showed no clear difference in clearance rate compared with topical 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 0.09 [0.01, 1.56]
  1 study · 50 participants
  Low

NB‐UVB plus retinoid vs PUVA plus retinoid

NB‐UVB plus retinoid showed no clear difference in clearance rate 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 0.93 [0.79, 1.1]
  2 studies · 90 participants
  Low

NB‐UVB vs selective BB‐UVB

NB‐UVB showed no clear difference in clearance rate compared with selective BB‐UVB (low certainty).

• Narrow‐band ultraviolet B phototherapy versus broad‐band ultraviolet B or psoralen‐ultraviolet A photochemotherapy for… 2013 · Cochrane Headline outcomes only
  RR 1.4 [0.92, 2.13]
  1 study · 100 participants
  Low

NB‐UVB vs oral 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 vs bath PUVA

NB‐UVB showed no clear difference in clearance rate compared with bath 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 1.79 [0.46, 6.91]
  2 studies · 92 participants
  Low