4383442 + 0 in total (QC-passed reads + QC-failed reads)
0 + 0 duplicates
4383442 + 0 mapped (100.00%:-nan%)
4383442 + 0 paired in sequencing
2228276 + 0 read1
2155166 + 0 read2
1831446 + 0 properly paired (41.78%:-nan%)
4108674 + 0 with itself and mate mapped
274768 + 0 singletons (6.27%:-nan%)
2186466 + 0 with mate mapped to a different chr
0 + 0 with mate mapped to a different chr (mapQ>=5)