Table 1 Patient characteristics and diagnosis results.
Characteristics | Definite AK (n = 27), N (%) | Non-AK (n = 15), N (%) |
|---|---|---|
Age | ||
Age (year), mean ± SD | 29.63 ± 8.78 | 29.86 ± 6.89 |
16–20 | 4 (14.81%) | 0 |
20–30 | 10 (37%) | 9 (15%) |
30–40 | 10 (37%) | 4 (26.66%) |
40–50 | 2 (7.4%) | 2 (13.33%) |
50–60 | 1 (3.7%) | 0 |
Gender | ||
Female | 21 (77.8%) | 12 (80%) |
Male | 6 (22.2%) | 3 (20%) |
Contact lens | ||
Soft lens | 15 (55.6%) | 9 (60%) |
Hard lens | 5 (18.51%) | 0 |
No contact lens | 7 (25.92) | 6 (40%) |
Other risk factors | ||
Trauma | 2 (7.4%) | 4 (26.66%) |
Dust | 2 (7.4%) | 2 (13.33%) |
Seawater | 1 (3.7%) | 0 |
Contaminated freshwater | 1 (3.7%) | 0 |
Photorefractive keratectomy | 1 (3.7%) | 0 |
Clinical signs and symptoms | ||
Pain | 27 (100%) | 15 (100%) |
Eye redness | 27 (100%) | 15 (100%) |
Photophobia | 27 (100%) | 15 (100%) |
Infiltration | 10 (37.03%) | 15 (100%) |
Laterality | ||
Unilateral | 26 (96.29%) | 15 (100%) |
Bilateral | 1 (3.7%) | 0 |
Diagnostic methods | ||
Confocal microscopy | 21 (77.8%) | 0 |
Culture | 10 (37%) | 0 |
One-step PCR | 17 (62.96%) | 0 |
Nested PCR | 26 (96.29%) | 0 |
