31984040 + 0 in total (QC-passed reads + QC-failed reads)
0 + 0 duplicates
31984040 + 0 mapped (100.00%:-nan%)
31984040 + 0 paired in sequencing
16549493 + 0 read1
15434547 + 0 read2
14942012 + 0 properly paired (46.72%:-nan%)
30374006 + 0 with itself and mate mapped
1610034 + 0 singletons (5.03%:-nan%)
556900 + 0 with mate mapped to a different chr
331594 + 0 with mate mapped to a different chr (mapQ>=5)