Table 3 Characteristics of the epigenetic clocks included in the present study.

From: Epigenetic clocks in relapse after a first episode of schizophrenia

Denotation

Reference

Phenotype

Number of CpG

Missing CpGs (%)1

Horvath

Horvath et al., 2013

Chronological age

353

30 (8.5)

Hannum

Hannum et al., 2013

Chronological age

71

12 (16.9)

PhenoAge

Levine et al., 2018

Mortality

513

16 (3.1)

DNAmTL

Lu et al., 2019

Telomere length

140

31 (22.1)

  1. 1Percentage of CpGs not included in the Illumina Infinium MethylationEPIC BeadChip Kit.