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. Author manuscript; available in PMC: 2019 Jan 1.
Published in final edited form as: J Biopharm Stat. 2017 Oct 30;28(4):633–644. doi: 10.1080/10543406.2017.1372773

Table 3.

Mean % of 300 patients who realized loss to follow-up (LTFU) and died, realized LTFU and survived, and realized LTFU in total, for the arm with LTFU (experimental arm for Table 1, control arm for Table 2), calculated from 40,000 or 20,000 simulated trials for each of 30 conditions.

y is uniform (w = 1)
% of patients in
LTFU arm who were
y is triangular (w = 2)
% of patients in
LTFU arm who were
b, Weibull
shape
parameter
Patients in LTFU
arm, LTFU
parameter
Lost and
died
Lost and
survived
Lost,
total
Lost and
died
Lost and
survived
Lost,
total
0.8 0% 0% 0% 0% 0% 0% 0%
5 3.0 1.0 4.0 3.0 0.6 3.6
5 to 15 4.5 3.3 7.8 4.5 1.8 6.3
10 6.0 2.0 8.0 6.0 1.3 7.3
15 to 5 7.1 1.0 8.1 7.1 0.7 7.8
1 (exponential distribution) 0  0  0  0  0  0  0
5 3.1 1.1 4.2 3.1 0.7 3.8
5 to 15 4.9 3.2 8.1 4.9 2.0 6.9
10 6.3 2.1 8.4 6.3 1.4 7.7
15 to 5 7.1 1.2 8.3 7.1 0.9 8.0
1.25 0  0  0  0  0  0  0
5 3.3 1.1 4.4 3.3 0.8 4.0
5 to 15 5.4 3.0 8.4 5.4 2.0 7.4
10 6.6 2.2 8.7 6.6 1.5 8.1
15 to 5 7.2 1.3 8.5 7.2 1.0 8.2