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. Author manuscript; available in PMC: 2011 Jul 2.
Published in final edited form as: Stat Sci. 2010;25(2):202–216. doi: 10.1214/10-STS332

Table 1.

Toxicity “grades” (severities) for trial

Severity Degree of toxicity
0 No toxicity
1 Mild toxicity (non-dose-limiting)
2 Nonmild toxicity (non-dose-limiting)
3 Severe toxicity (non-dose-limiting)
4 Dose-limiting toxicity