Table 1

Characteristics of included studies

First author’s name and year of publicationTarget diseaseDesignConsecutive enrolmentnAverage age (SD)% FemaleInclusion criteriaExclusion criteria
Arora et al 21 2014Parkinson’s diseaseDiagnostic case–control studyNo1065.1 (9.8)Not reportedNot reportedOther Parkinsonian or tremor disorders
Arora et al 11 2015Parkinson’s diseaseDiagnostic case–control studyNo1065.1 (9.8)30%Not reportedNot reported
Chadwick et al 12 2014MelanomaDiagnostic case–control studyNo15Not applicableNot applicableNot reportedNot reported
Kostikis et al 13 2015Parkinson’s diseaseDiagnostic case–control studyNo237852%Not reportedNot reported
Lagido et al 14 2014Atrial fibrillationProspective cohort studyNo43Not reportedNot reportedNot reportedNot reported
Maier et al 15 2015MelanomaDiagnostic case–control studyYes195Not applicableNot applicableNot reportedQuality images, other elements in the image not belonging to the lesion, for example, hair, images containing more than one lesion, incomplete imaged lesions, non-melanocytic lesions and two-point differences cases.
Ramlakhan et al 16 2011MelanomaDiagnostic case–control studyNo46Not applicableNot applicableNot reportedNot reported
Takuya et al 20 2015Falling in patients with chronic stroke Diagnostic case–control studyNo1170.5 (12.5)Not reportedMore than 12 months since stroke onset and ability to walk 16 metres independently with or without a single-point cane and/or an orthosisSevere cardiovascular, respiratory, musculoskeletal or neurological disorder other than stroke that affected gait performance; unable to understand the instructions because of communication problem or moderate to severe cognitive dysfunction (ie, five or more errors on the SPMSQ; household ambulators walked only indoors or only mobilised during rehabilitation sessions
Wadhawan et al 17 2011MelanomaDiagnostic case–control studyNo1300Not applicableNot applicableNot reportedImage artefacts
Wadhawan et al 17 2011MelanomaDiagnostic case–control studyNo347Not applicableNot applicableNot reportedImage artefacts
Wolf et al 19 2013MelanomaDiagnostic case–control studyNo188Not applicableNot applicableImages for which there was a clear histological diagnosis rendered by a board-certified pathologistImages containing identifiable features such as facial features, tattoos or labels with patient information. Lesions with equivocal diagnoses such as ‘melanoma cannot be ruled out’ or ‘atypical melanocytic proliferation’, Spitz nevi, pigmented spindle cell nevus of Reed and other uncommon or equivocal lesions, lesions with moderate or high-grade atypia poor quality or resolution of images
  • SPMSQ, Short Portable Mental Status Questionnaire.