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Total number of CpGs per clock and the subset directly overlapping with our sequencing data
| Clock | Type | Total probes | Probes present | Percent present |
|---|---|---|---|---|
| PhenoAge | Microarray | 513 | 510 | 99% |
| Hannum | Microarray | 71 | 66 | 93% |
| Horvath1 | Microarray | 353 | 346 | 98% |
| Horvath2 | Microarray | 391 | 387 | 99% |
| BS-Clock | Sequencing | 4527 | 2129 | 47% |
Microarray clocks have a minimum percentage of probe representation of 93%, whilst the Twist panel only has a direct overlap to 47% of the BS-Clock probes.
