From: Estimating breast tissue-specific DNA methylation age using next-generation sequencing data
Tissue type | N | Mean age (years) | SD (years) |
---|---|---|---|
Normal | 459 | 47.7 | 13.4 |
 Training set | 368 | 47.7 | 13.5 |
 Testing set | 91 | 47.7 | 12.9 |
Adjacent normal* | 45 | 53.1 | 12.1 |
Tumor* | 107 | 55.3 | 13.6 |
 HER2+ | 21 | 56.8 | 16.9 |
 ER+ or PR+/HER2- | 42 | 54.4 | 11.7 |
 ER-/PR-/HER2- | 15 | 53.9 | 12.4 |