Table 1. Characteristics of the study population.
| Population characteristics | High myopia* | Case |
Control |
||
|---|---|---|---|---|---|
| Control 1† | P value | Control 2 | P value | ||
| Patients (n) |
1307 |
333 |
923 |
||
| Age (mean±SD; years) |
57.1±15.0 |
75.2±7.9 |
<0.0001‡ |
56.9±11.4 |
0.8549‡ |
| Sex (n) | |||||
| Male |
427 (32.7%) |
124 (37.2%) |
0.05626§ |
363 (39.3%) |
0.0015§ |
| Female |
879 (67.3%) |
198 (59.5%) |
560 (60.7%) |
||
| Axial length (mm±SD) | |||||
| Right eyes |
29.23±1.85 |
22.84±0.81 |
NA |
||
| Left eyes |
29.10±1.82 |
22.88±0.78 |
NA |
||
| Refraction of the phakic eyes (D) | |||||
| Right eyes |
−12.86±4.44 |
−0.411±3.15 |
NA |
||
| Left eyes | −12.57±4.71 | −0.296±2.77 | NA | ||
* Axial length >26.00 mm in both eyes. † Individuals who underwent cataract surgery and who had an axial length of <25.00 mm in both eyes.‡ Unpaired t test. Compared with the high-myopia group. § Chi-square test. Compared with the high-myopia group. SD: standard deviation, D: diopter, NA: Not applicable.