Katsambas 1989

Methods	Individual randomised controlled trials
Participants	Diagnosis: seborrhoeic dermatitis of the scalp and face
Interventions	Intervention: ketoconazole 2% cream applied to scalp and face twice daily for 14 days (n = 24) Control: hydrocortisone 1% cream applied similarly (n = 26)
Outcomes	Global evaluation of improvement
Notes	Country: Greece
Risk of bias
Bias	Authors' judgement	Support for judgement
Random sequence generation (selection bias)	Unclear risk	"Randomised fashion"
Allocation concealment (selection bias)	Unclear risk	Not reported
Baseline comparable?	Unclear risk	Not reported
Patient blinded?	Unclear risk	"...assigned tubes of either 2% ketoconazole cream or 1% hydrocortisone cream in a randomised fashion"
Provider blinded?	Unclear risk	"...assigned tubes of either 2% ketoconazole cream or 1% hydrocortisone cream in a randomised fashion"
Outcome assessor blinded?	Unclear risk	"...assigned tubes of either 2% ketoconazole cream or 1% hydrocortisone cream in a randomised fashion"
Co-interventions avoided?	Low risk	No other medication was allowed
Compliance acceptable?	Unclear risk	Not reported
Drop-out acceptable?	Unclear risk	Not reported
Selective outcome reporting acceptable?	Low risk	All outcomes reported
ITT?	Low risk	All participants included