Table 1 Characteristics of twin pairs, defined by zygosity
From: Heritability of myopia and its relation with GDJ2 and RASGRF1 genes in Lithuania
MZ twins | DZ twins | p value | |
|---|---|---|---|
Sex, pairs | |||
Male | 80 | 37 | 0.900† |
Female | 55 | 53 | |
Male/Female | 5 | ||
Total: | 135 | 95 | |
Age, years | |||
Mean ± SE | 24.10 ± 0.54 | 26.06 ± 0.93 | 0.379‡ |
Median | 20.79 | 21.38 | |
Min, Max | 18, 40 | 18, 40 | |
Spherical equivalent (D) | |||
OD Mean ± SE | −1.212 ± 0.102 | −1.524 ± 0.196 | 0.667‡ |
Median | −0.75 | −0.75 | |
Min, Max | −7.25, 0.375 | −7.375, 0.49 | |
OS Mean ± SE | −1.112 ± 0.104 | −1.449 ± 0.198 | 0.338‡ |
Median | −0.625 | −0.75 | |
Min, Max | −7.25, 0.35 | −6.75, 0.49 | |