Table 1 of
Abbott, Mol Vis 2012; 18:720-729. Table 1 of
Abbott, Mol Vis 2012; 18:720-729.
Table 1. Data set Descriptive Statistics by Mean Refractive Error.
Characteristic |
Mean sphere data set |
Mean spherical equivalent data set |
|---|---|---|
| Total Sample Size | 1004 | 912 |
| Number of Families | 216 | 215 |
| Average Family Size ± SD | 4.65±3.20 | 4.24 ±3.06 |
| Average Age of Subject ± SD (years) | 42.55±19.97 | 43.10±20.08 |
| Number with Age Data | 923 | 838 |
| Mean Refractive Error ± SD (Diopters) | −5.74±5.66 | −5.36±5.57 |
| Heritability (h2) | 0.232±0.0720 | 0.339±0.0772 |