Table 2.
Comparative analyses of clinical features according to the types of cuticular drusen.
| Type 1 (n = 12) | Type 2 (n = 19) | Type 3 (n = 21) | p12 | p23 | p13 | p* | |
|---|---|---|---|---|---|---|---|
| Age (years) | 65.6 ± 5.4 | 63.2 ± 8.3 | 68.0 ± 6.8 | 0.332 | 0.051 | 0.262 | 0.106 |
| Male (%) | 4 (33.3%) | 6 (31.6%) | 7 (33.3%) | 0.919 | 0.906 | 1.000 | 0.992 |
| BCVA (logMAR) | 0.04 ± 0.05 | 0.08 ± 0.16 | 0.07 ± 0.07 | 0.326 | 0.746 | 0.205 | 0.612 |
| Microperimetry | |||||||
| Mean retinal sensitivity (dB) | 25.1 ± 2.2 | 23.4 ± 3.9 | 21.3 ± 5.7 | 0.147 | 0.173 | 0.011 | 0.063 |
| Mean deviation (dB) | − 1.8 ± 2.1 | − 3.4 ± 3.9 | − 5.1 ± 5.3 | 0.133 | 0.258 | 0.016 | 0.098 |
| Pattern standard deviation (dB) | 2.3 ± 1.0 | 3.5 ± 3.0 | 4.0 ± 3.0 | 0.115 | 0.593 | 0.025 | 0.219 |
| Area occupied by drusen (total 52) | 40.2 ± 9.2 | 40.5 ± 14.5 | 31.0 ± 16.6 | 0.949 | 0.195 | 0.194 | 0.301 |
| Pupil size (mm) | 5.0 ± 1.1 | 4.8 ± 1.1 | 4.2 ± 1.1 | 0.657 | 0.099 | 0.075 | 0.110 |
| False positive rate (%) | 0.0 ± 0.0 | 0.6 ± 2.5 | 0.0 ± 0.0 | 0.331 | 0.331 | NA | 0.428 |
Data are total no. (%) or mean ± standard deviation, unless otherwise indicated.
BCVA Best corrected visual acuity, logMAR logarithm of the minimum angle of resolution, dB Decibel.
p12: p value of comparison between type 1 and type 2.
p23: p value of comparison between type 2 and type 3.
p13: p value of comparison between type 1 and type 3.
p*: p value of comparison between type 1, type 2, and type 3.