4. Effects of keloid properties on treatment efficacy 99 4. RESULTS Our literature search identified 1520 studies, of which 16 studies with a total of 1113 patients were included for data assessment (Fig. 1, Table 1). Fig. 1. Study flow diagram resulting in 16 included studies. Records identified PubMed (n = 127) Cochrane library (n = 462) Medline (n = 676) Web of science (n = 798) Embase (n = 844) Google scholar (n = 100) Duplicate records removed (n = 1487) Records screened after duplicates removal (n = 1520) Records excluded after title and abstract screening (n = 1320) Full-text RCTs assessed for eligibility (n = 200) Reports excluded: - No full (English) text available (n = 38) - No keloid properties analysis (n = 82) - No separate analyses for keloids when hypertrophic scars were included (n = 26) - No RCT (n = 37) - Retracted (n = 1) Studies included in review (n = 16) Identification of studies via databases and registers Identification Screening Included
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