Findings

What do systematic reviews say?

61 questions · 61 findings · 5 reviews · Skin

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No studies found 20 · 32.8%GRADE not reported 12 · 19.7%Very low 9 · 14.8%Low 20 · 32.8%Moderate 0 · 0%High 0 · 0%

NB‐UVB vs UVA1

Health‐related quality of life · atopic eczema

1 finding from 1 review

Phototherapy for atopic eczema 2021 · Cochrane Headline outcomes only
no estimate extracted
1 study · 46 participants
Very low

NB‐UVB vs oral PUVA

Participant‐rated global improvement · people with chronic plaque psoriasis

1 finding from 1 review

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 topical PUVA

Percentage of participants reaching PASI 75 · People with palmoplantar psoriasis

1 finding from 1 review

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 topical PUVA

Withdrawals due to adverse events · People with palmoplantar psoriasis

1 finding from 1 review

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 topical PUVA

Clearance rate · People with palmoplantar psoriasis

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

1 finding from 1 review

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

Participant‐rated global improvement · People with chronic plaque or guttate psoriasis

1 finding from 1 review

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

Percentage of participants reaching PASI 75 · People with chronic plaque or guttate psoriasis

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

1 finding from 1 review

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 plus retinoid vs PUVA plus retinoid

Withdrawals due to adverse events · People with chronic plaque or guttate psoriasis

1 finding from 1 review

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

Clearance rate · People with chronic plaque or guttate psoriasis

NB‐UVB plus retinoid showed no clear difference in clearance rate compared with PUVA plus retinoid (low certainty).

1 finding from 1 review

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

Participant‐rated global improvement · people with chronic plaque psoriasis

1 finding from 1 review

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 selective BB‐UVB

Percentage of participants reaching PASI 75 · people with chronic plaque psoriasis

1 finding from 1 review

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 selective BB‐UVB

Withdrawals due to adverse events · people with chronic plaque psoriasis

NB‐UVB showed no clear difference in withdrawal due to side‐effects compared with selective BB‐UVB (low certainty).

1 finding from 1 review

Narrow‐band ultraviolet B phototherapy versus broad‐band ultraviolet B or psoralen‐ultraviolet A photochemotherapy for… 2013 · Cochrane Headline outcomes only
RR 3 [0.32, 27.87]
1 study · 100 participants
Low

NB‐UVB vs oral PUVA

Percentage of participants reaching PASI 75 · people with chronic plaque psoriasis

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

1 finding from 1 review

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 selective BB‐UVB

Clearance rate · people with chronic plaque psoriasis

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

1 finding from 1 review

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

Withdrawals due to adverse events · people with chronic plaque psoriasis

NB‐UVB showed no clear difference in withdrawal due to side‐effects compared with oral PUVA (low certainty).

1 finding from 1 review

Narrow‐band ultraviolet B phototherapy versus broad‐band ultraviolet B or psoralen‐ultraviolet A photochemotherapy for… 2013 · Cochrane Headline outcomes only
RR 0.71 [0.2, 2.54]
3 studies · 247 participants
Low

NB‐UVB vs oral PUVA

Clearance rate · people with chronic plaque psoriasis

1 finding from 1 review

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

Participant‐rated global improvement · people with chronic plaque psoriasis

1 finding from 1 review

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

Percentage of participants reaching PASI 75 · people with chronic plaque psoriasis

1 finding from 1 review

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

Withdrawals due to adverse events · people with chronic plaque psoriasis

1 finding from 1 review

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

Clearance rate · people with chronic plaque psoriasis

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

1 finding from 1 review

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