Table 2. HM 450 BeadChip distribution of probes.
| Annotation | Before QC | QC1 | QC2 |
|---|---|---|---|
| Island | 150 254 | 143 391 | 138 738 |
| Shelf | 47 161 | 46 447 | 45 691 |
| Shore | 112 072 | 109 736 | 107 394 |
| NCpG | 176 277 | 172 695 | 170 178 |
| Total | 485 557 | 472 269 | 462 001 |
Abbreviations: HM, human methylation; QC, quality control.
QC1 represents remaining probes after QC1. QC2 represents remaining probes after QC2.