43970017 + 0 in total (QC-passed reads + QC-failed reads)
0 + 0 duplicates
43970017 + 0 mapped (100.00%:-nan%)
43970017 + 0 paired in sequencing
22395146 + 0 read1
21574871 + 0 read2
37503406 + 0 properly paired (85.29%:-nan%)
41741240 + 0 with itself and mate mapped
2228777 + 0 singletons (5.07%:-nan%)
1950630 + 0 with mate mapped to a different chr
75602 + 0 with mate mapped to a different chr (mapQ>=5)