TABLE 3.
EARLY ONSET (N = 21)* | LATER ONSET (N = 224)† | PROBABILITY‡ | |||
---|---|---|---|---|---|
VARIABLE | MEAN ± SD | RANGE | MEAN ± SD | RANGE | |
Age at diagnosis, months | 9 ± 2 | 3 – 12 | 48 ± 20 | 25 – 144 | P < .0001 |
Distance deviation, initial exam, PD | 21 ± 9 | 10 – 35 | 19 ± 8 | 10 – 55 | P = .38 |
Near deviation, initial exam, PD | 23 ± 8 | 10 – 40 | 21 ± 8 | 10 – 50 | P = .32 |
Spherical equivalent, initial exam, D | 4.70 ± 2.11 | 1.75 – 8.62 | 4.29 ± 1.64 | 1.12 – 11.00 | P = .40 |
Follow-up, months | 126 ± 71 | 24 – 227 | 100 ± 45 | 24 – 219 | P = .12 |
D = diopters; PD = prism diopters; SD = standard deviation.
Diagnosed at or before 12 months of age.
Diagnosed after 24 months of age.
t test.