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Table 1 Demographic characteristics of discovery and validation cohort samples

From: Epigenome-wide DNA methylation regulates cardinal pathological features of psoriasis

Study subjects Discovery cohort: 48 (24 paired) samples Validation cohort: 30 (15 paired) samples
Mean age (in years) 37.94 (SD = 14.24) (range 12–74) 39.83 (SD = 10.77) (range 22–60)
Mean age of onset (in years) 33.17 (SD = 14.03) (range 10–73) 33.12 (SD = 11.21) (range 9–52)
Type I–type II 19–5 10–5
Type I–type II: age distribution Mean age/onset 32.4/28.3 Mean age/onset 34.05/26.83
Mean age/onset 54/51.5 Mean age/onset 51.4/45.7
Sex distribution 18 males, 6 females 10 males, 5 females