4765746 + 0 in total (QC-passed reads + QC-failed reads)
0 + 0 duplicates
4765746 + 0 mapped (100.00%:-nan%)
4765746 + 0 paired in sequencing
2502887 + 0 read1
2262859 + 0 read2
2835486 + 0 properly paired (59.50%:-nan%)
3168660 + 0 with itself and mate mapped
1597086 + 0 singletons (33.51%:-nan%)
564228 + 0 with mate mapped to a different chr
0 + 0 with mate mapped to a different chr (mapQ>=5)