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. 2018 Jan 22;13(1):e0190988. doi: 10.1371/journal.pone.0190988

Table 6. The matching matrix between results of smear and machine 5-level grading for AO stained concentrated smear batch.

Number of AFBs detected by system Smear negative Smear positive
Scanty 1+ 2+ 3+
0–9
 210 1 2 0 0
10–20
 66 20 22 15 0
21–200
 9 9 15 47 21
201–2000
 0 2 1 21 26
>2000
 0 0 0 2 16