3.4 Analysis of outcome differences in the AHL2 subgroup (n =
28)
Successful users were younger than intermittent and failed users
(p = 0.007; successful users, 63 ± 11 years old; intermittent
users, 76 ± 4 years old; failed users, 73 ± 8 years old). For the AHL2
subgroup, no specific frequency differed significantly with three
outcomes (Figure 1D) or two outcomes (Figure 2D). For three outcomes
(successful users versus intermittent users versus failed users), the
discriminant function was D = -8.372 + (0.119 * age)(discriminating
power = 53.6%).