Table 1.
Comparison of population and examined participants of the survey
| Male |
Age group | Female |
||||
|---|---|---|---|---|---|---|
| Population, n (%) | Examined, n (%) | (A−B)/A† | Population, n (%) | Examined, n (%) | (A−B)/A | |
| 19,870 (49.1) | 146 (29.6) | 0.40 | 40-49 | 19,041 (49.3) | 156 (39.4) | 0.20 |
| 11,088 (27.4) | 155 (31.4) | −0.14 | 50-59 | 10,446 (27.0) | 134 (33.8) | −0.25 |
| 5342 (13.2) | 106 (21.5) | −0.62 | 60-69 | 5165 (13.4) | 67 (16.9) | −0.27 |
| 4128 (10.2) | 87 (17.6) | −0.72 | 70+ | 3970 (10.3) | 39 (9.8) | 0.04 |
| 40,428 (100) | 494 (100) | Total | 38,622 (100) | 396 (100) | ||
†A-B/A: Comparison of proportion. Total participants: 890. Dry eye of all grades was present in 320 participants