Table 1.

Demographics and clinical characteristics

CharacteristicsWith irAE (n = 46)Without irAE (n = 101)Total (N = 147)P
Sex
 Male2563880.37
 Female213859
Median age (years)65.064.064.50.81
Race
 White43851280.18
 Nonwhite31619
Smoking
 Never2247690.92
 Former224769
 Current279
ECOG performance status
 033711040.24
 192534
 2314
Unknown145
Median duration of ipilimumab therapy (months)8.98.08.10.61