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Table 2 Total treatment balance: mean and variance (n = 264, simulations = 1000)

From: Randomization in substance abuse clinical trials

RANDOMIZATION PROCEDURE TREATMENT E(NT(n)/n) VAR(NT(n)/n)
COMPLETE 1 0.3323 0.0013
  2 0.3345  
  3 0.3332  
URN 1 0.3311 0.0007
  2 0.3344  
  3 0.3345  
COVARIATE ADAPTIVE (2 COVARIATES) 1 0.3345 0.0001
  2 0.3352  
  3 0.3305  
COVARIATE ADAPTIVE (5 COVARIATES) 1 0.3351 0.0001
  2 0.3337  
  3 0.3312