Table 1.

Statistics of high-throughput bisulfite sequencing data for Alu and flanking sequence

Sample ID	NC1	NC2	PN1	PN2	PA1	PA2	RL1	RL2
Number of Loci	2530	3678	3076	2334	3730	2958	2153	2965
Number of sequence reads	70 154	102 405	76 033	52 652	84 603	71 289	46 938	77 134
Number of CpG sites	402 506	653 650	467 705	313 967	542 630	424 410	288 981	435 017
Average reads per locus	27.7	27.8	24.7	22.6	22.7	24.1	21.8	26.0
Average CpG sites per reads	5.7	6.4	6.2	6.0	6.4	6.0	6.2	5.6