Confusion matrix of the reference number of <i>M</i>. <i>tuberculosis</i> per image (rows) vs number of <i>M</i>. <i>tuberculosis</i> found by players (columns).

Results shown in this matrix were achieved for a collective detection made by groups of 8 people with a quorum of 5.160 random groups of 8 players for each one of the FOVs. Numbers in the confusion matrix represent the percentage of the gameplays analyzed that were classified as a negative FOV (with zero bacillus), as a FOV with a fake bacillus, as a FOV with 1 to 10 bacilli or as a FOV with more than 10 bacilli.