| Category | Control groups | Basal cell carcinoma (BCC) groups | Control_1 | Control_2 | Control_3 | BBC_1 | BBC_2 | BBC_3 |
| Total raw tags | 28,888,581 | 29,268,292 | 29,541,601 | 27,833,324 | 29,268,292 | 30,001,854 | Q20 percentage (%) | 99.2 | 99.4 | 99.2 | 99.4 | 99.4 | 99.4 | Total clean tags | 25,648,341 | 23,931,822 | 25,876,318 | 23,720,918 | 23,886,431 | 25,250,916 | Percentage of clean tag (%) | 88.78 | 81.77 | 87.59 | 85.22 | 81.61 | 84.16 | Percentage of miRNA (%) | 60.3 | 64.9 | 61.8 | 82.2 | 78.6 | 82.9 | Total mapped tags to genome (%) | 91.87 | 95.01 | 95.10 | 95.96 | 96.07 | 95.92 | Identified miRNAs | 1,997 | 1,954 | 1,901 | 1,982 | 1,999 | 1,987 | Total miRNAs | 1873 |
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