51431164 + 0 in total (QC-passed reads + QC-failed reads)
0 + 0 duplicates
51431164 + 0 mapped (100.00%:-nan%)
51431164 + 0 paired in sequencing
26122357 + 0 read1
25308807 + 0 read2
43756988 + 0 properly paired (85.08%:-nan%)
48870156 + 0 with itself and mate mapped
2561008 + 0 singletons (4.98%:-nan%)
2458356 + 0 with mate mapped to a different chr
106030 + 0 with mate mapped to a different chr (mapQ>=5)