Table 1. Baseline characteristics of the individuals included into the present investigation and of those participants of the Beijing Eye Study who were not included into the present investigation.
| Parameters | Individuals Included | Individuals excluded | P-Value |
|---|---|---|---|
| Age (Years) | 64.0 ± 9.6 | 71.2 ± 9.2 | <0.001 |
| Gender (Male%) | 43.3% | 50.0% | 0.060 |
| Rural / Urban Habitation (Rural %) | 46.9% | 26.9% | <0.001 |
| Level of Education | 3.9 ± 1.0 | 4.0 ± 1.2 | 0.318 |
| Axial Length (mm) | 23.2 ± 1.1 | 23.7 ± 1.4 | <0.001 |
| Central corneal thickness (μm) | 532 ± 32 | 536 ± 34 | 0.166 |
| Refractive Error (Diopters) | -0.18 ± 2.03 | -1.03 ± 3.11 | <0.001 |
| Body Mass Index (kg/m2) | 25.6 ± 3.8 | 24.5 ± 3.8 | <0.001 |
| Systemic blood pressure (mmHg) | 130 ± 20 | 131 ± 22 | 0.429 |
| Diastlic blood pressure (mmHg) | 70 ± 12 | 67 ± 11 | 0.001 |
| Pulse Rate (Beats/min) | 73 ± 10 | 74 ± 11 | 0.075 |
Presented as mean ± standard deviation or percetage