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