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Table 2 Impact of selection bias effect η=0.09 and linear time trend effect θ=0.26 with σ=0.73 on probability of type I error for different randomization procedures

From: ERDO - a framework to select an appropriate randomization procedure for clinical trials

Randomization Type I Error P RP (ω≤0.05)
Procedure Probability  
[R P] [mean]  
CR 0.050 0.53
RAR 0.052 0.34
PBR(2) 0.105 0.00
PBR(10) 0.069 0.00
BSD(3) 0.054 0.11
BSD(4) 0.052 0.34
BSD(5) 0.051 0.46
MP(3) 0.062 0.00
MP(4) 0.058 0.01
MP(5) 0.055 0.06
EBC(0.67) 0.062 0.02
CHEN(2, 0.67) 0.072 0.00
CHEN(3, 0.67) 0.066 0.00
CHEN(4, 0.67) 0.064 0.00
CHEN(5, 0.67) 0.063 0.01
UD(0,1) 0.051 0.44
UD(1,2) 0.051 0.46