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. 2013 Jun 11;3(6):e269. doi: 10.1038/tp.2013.45

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.