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Table 6 Number of chemicals in Ames/QSAR international challenge project

From: An assessment of mutagenicity of chemical substances by (quantitative) structure–activity relationship

Class

Phase I (2014–2015)

Phase II (2015–2016)

Phase III (2016–2017)

Total (2014–2017)

Positive

556 (14.5%)

562 (14.7%)

629 (14.3%)

1757 (14.4%)

Negative

3336 (85.5%)

3267 (85.3%)

3780 (85.7%)

10,383 (85.6%)

Total

3902

3829

4409

12,140