Table 3.

Cox multivariate model for predictors of subsequent relapse (N = 124)

ParameterHR (95% CI)
Presenting in iTTP relapse2.97 (1.4-6.4)
Non-O blood group2.15 (1.06-4.39)
Age <25 y2.94 (1.2-7.2)
RTX*0.16 (0.04-0.70)
  • * Effect varies with time; reported HR is for day of administration. The effect of RTX was time-varying with an HR of 1.002 (95% CI, 1.0007-1.003) per day after administration.