On 2017 Nov 20, Doug Altman commented:

This paper reports a simple descriptive survey of reports of randomised trials published in dermatology journals. It is not a meta-epidemiological study, which is a meta-analytic summary of subgroup analyses across multiple meta-analyses – see for example Sterne et al (Stat Med 2002) [PMID: 12111917].

On 2017 Nov 20, Doug Altman commented:

This paper reports a simple descriptive survey of reports of randomised trials published in dermatology journals. It is not a meta-epidemiological study, which is a meta-analytic summary of subgroup analyses across multiple meta-analyses – see for example Sterne et al (Stat Med 2002) [PMID: 12111917].