Sample Q30 Raw reads Clean reads mapped reads mapped rate Detected eccDNA
    A1 92.93% 140,344,398 138,370,808 123,889,508 87.92% 10,932
    A2 88.97% 142,272,352 141,590,998 138,810,540 93.31% 11,106
    A3 92.58% 141,866,430 131,657,632 127,712,678 87.54% 10,186
    B1 92.4% 138,668,006 128,458,386 125,606,398 89.98% 12,380
    B2 92.54% 135,045,740 134,826,974 131,394,964 90.15% 13,313
    B3 92.78% 135,216,944 134,971,558 129,151,038 83.36% 10,605

    表3. reads统计
    各列说明：
    Sample：样品名
    Q30：测序Q30，Q30>80%表示测序质量良好
    Raw reads：原始reads数
    Clean reads：去接头、去低质量 reads 后的高质量reads 数
    Uniquely mapped reads：唯一比对的reads数
    Uniquely mapped rate：唯一比对的百分比
    Detected eccDNA：每个样品中检测到的eccDNA数目

    3.1 Reads统计 - 图1

    图2. eccDNA长度分布