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. 2018 Nov 19;18:583. doi: 10.1186/s12879-018-3505-y

Table 5.

Distribution of samples (%) in the different classes of contamination in accordance with the internally defined benchmarks for ATP-bioluminescence assay

ATP-bioluminescence assay
Expected values Acceptable value Alert value
≤ 63 RLU 64–75 RLU >  75 RLU
Hospital A 72.7 10.9 16.4
Hospital B 77.4 6.0 16.7
Total 75.5 7.9 16.5