Ref (type)	Population	Outcome, Interventions	Results and statistical analysis	Effect size	Favours
Symptom severity
RCT	120 people (106 evaluable) with plaque psoriasis covering 20% or less of body surface	Marked improvement (>75% global improvement) 8 weeks 45% with tazarotene 0.1% plus mometasone furoate once daily 26% with calcipotriol twice daily Absolute results not reported	P <0.05	Effect size not calculated	tazarotene plus mometasone furoate
RCT	120 people (106 evaluable) with plaque psoriasis covering 20% or less of body surface	Clearance (>90% global improvement) 8 weeks with tazarotene 0.1% plus mometasone furoate once daily with calcipotriol twice daily Absolute results not reported	Reported as not significant		Not significant