Table 1.
Summary statistics for spherical equivalent and sample size for each phenotypic category from the Singapore Cohort Study of Risk Factors for Myopia and Singapore Prospective Study Program datasets.
| Cohorts | Singapore Cohort Study of Risk Factors for Myopia (SCORM) |
Singapore Prospective Study Program (SP2) |
||
|---|---|---|---|---|
| Male/Female | 481/448 | 921/1087 | ||
|
Mean Age* (SD§) |
10.83 (0.83) | 47.9 (11.18) | ||
| Phenotypes |
No. Samples (Percentage) |
Both Eye Avg SE Mean (SD§) |
No. Samples (Percentage) |
Both Eye Avg SE Mean (SD§) |
| SE*,§ | 929 | −2.02 (2.26) |
1931 | −1.67 (2.89) |
| High myopia** | 65 (6.9%) |
−6.88 (1.06) |
222 (11.5%) |
−7.51 (2.02) |
|
Emmetropia** (Controls) |
238 (25.6%) |
0.42 (0.53) |
455 (23.6%) |
0.19 (0.35) |
*
For the SCORM dataset, age and spherical equivalent were based on the 4th annual examination of the study.
§
SE = Spherical equivalent; SD = Standard deviation
**
High myopia: SE ≤ −6.00D for at least one eye; Control: −0.50D< SE< +1.00D for both eyes; D=Diopter