We provide an asymptotic test to analyze randomized clinical trials that may be subject to selection bias. For normally distributed responses, and under permuted block randomization, we derive a ...

Patients were randomly assigned in a 1:1 ratio, with the use of permuted block randomization with variable block sizes, to receive either spinal anesthesia or general anesthesia. 15,16 ...

The sequence was concealed from the investigators, computer-generated, and stratified according to center with the use of permuted blocks.

Random assignment (stratified permuted block random assignment type) was generated from a validated computer-generated random assignment schedule. The primary end points were DFS in ITT and tumor ...

Sixty patients were randomized by computer generated permuted block randomization of 15 by sequentially numbered, sealed, opaque envelopes to massage and control groups: 43 women and 17 men, with ...

Participants (N = 750) in this open-label, multisite, day-based permuted block randomization study were adult patients receiving outpatient chemotherapy infusion. Patients were randomly assigned to ...

The open-label, multisite, day-based permuted block randomization study included 708 adults (median age, 60.39 years; 65% women; 68% white) with cancer receiving outpatient chemotherapy infusion ...