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. Author manuscript; available in PMC: 2018 May 8.
Published in final edited form as: Breast Cancer Res Treat. 2017 Nov 8;168(1):35–41. doi: 10.1007/s10549-017-4563-3

Table 5.

Adverse events (AEs)

BC (n = 1364) Non-BC (n = 6639)
Number of grade 4 incidences (N) 1064 2936
Number of grade 5 incidences (N) 63 350
Number of treatment-related deaths (N) 8 30
 Person days on study 181664 633138
 Person years on study 497 1733
 Grade 4 incidence ratesa 2.1/person-year 1.7/person-year
 Grade 5 incidence ratesa 0.1/person-year 0.2/person-year
Treatment-related deaths incidence ratesa 0.02/person-year 0.02/person-year
Average number of grade 4 AEs per patientb 0.8 0.4
Average number of grade 5 AEs per patientb 0.047 0.053
Average number of treatment-related deathsb 0.006 0.005
a

Incidence rate is defined as number of incidences divided by person time

b

Average number is defined as number of incidences divided by total number of patients