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. Author manuscript; available in PMC: 2012 Nov 21.
Published in final edited form as: Stat Commun Infect Dis. 2011 Oct;3(1):1037. doi: 10.2202/1948-4690.1037

Table 3.

Projected Accrual Rate and Number Enrolled for the Proposed Design.

Number of Study Arms (with One Placebo Arm) Accrual Per Week During 52 Week Accrual period1 Number Accrued Per Study Arm2 Total Accrued (N)
Initial 13 Weeks Subsequent 39 Weeks
2 47 95 2150 4300
3 71 142 2150 6450
4 95 189 2150 8600
1

These accrual rates lead to full accrual at 12 months since the first subject is enrolled, such that the maximum trial duration is 48 months.

2

Equal allocation of subjects to the study arms.