. Author manuscript; available in PMC: 2016 Sep 6.

Published in final edited form as: Pharm Stat. 2012 Mar 12;11(5):351–356. doi: 10.1002/pst.1506

Table 1.

Potential choices of the accrual closure dates and the corresponding empirical accrual sizes

Calendar Dates	Days from initiation of accrual (t₃)	Observed cumulative accrual by t₃-5 plus observed accrual during the fast accruing final week
April 18, 2007	615	4793
April 19, 2007^*	616	4802
April 20, 2007	617	4811
April 23, 2007^**	618	4819
April 24, 2007	619	4832
April 25, 2007	620	4842
April 26, 2007	621	4849
April 27, 2007	622	4860
April 30, 2007	623	4872
May 1, 2007	624	4881
May 2, 2007	625	4888
May 3, 2007	626	4894

Predicted accrual closure date using E(T)

^**

Predicted accrual closure date using t_0.05