Table 2. Comparison between eyes with choroidal neovascularization secondary to angioid streaks and age-related macular degeneration.
| AS | AMD | P-value | |
|---|---|---|---|
| Demographics | |||
| Number | 24 eyes (24 patients) | 44 eyes (44 patients) | |
| Age (years)a | 66.8 (9.4) (50–89) | 75.3 (6.5) (62–85) | <0.0001b |
| Men/women | 16/8 (66.7%/33.3%) | 29/15 (65.9%/34.1%) | 0.789c |
| Refraction (dioptres)a | −1.2 (2.15) (−6.75 to 1.5) | 0.1 (1.96) (−5.5 to 2.0) | 0.027b |
| Log MAR BCVA at first SD-OCT visita | 0.747 (0.47) (−0.08 to 1.39) | 0.69 (0.46) (−0.08 to 1.70) | 0.565b |
| Tomographic features | |||
| SD-OCT follow-up period (months)a | 13.5 (9.1) (1–27) | 11.6 (9.2) (1–29) | 0.436 |
| Number. of SD-OCT examinationsa | 4.1 (2.9) (1–13) | 4.0 (3.0) (1–11) | 0.480b |
| ORT (%)d | 17 (70.8%) | 15 (34.1%) | 0.005c |
| Location of ORT | |||
| On border of CNV | 13 (76.5%) | 5 (33.3%) | 0.031c |
| Over CNV | 6 (35.3%) | 11 (73.3%) | 0.042c |
| Cystoid spaces (%)d | 14 (58.3%) | 26 (59.1%) | 0.952c |
| Bruch's membrane undulation (%)d | 17 (70.8%) | 5 (11.4%) | <0.0001c |
| SRD (%)d | 4 (16.7%) | 26 (59.1%) | 0.001c |
| PED (%)d | 0 | 6 (13.6%) | |
Abbreviations: AMD, age-related macular degeneration; Log MAR, logarithm of the minimal angle of resolution; No, number; ORT, outer retinal tubulation; SD-OCT, spectral-domain optical coherence tomography; SRD, serous retinal detachment; PED, pigment epithelial detachment.
a
Values are expressed as means (SD).
b
Unpaired t-test.
c
Fisher's exact test.
d
Values are the number of eyes, with percentage shown in parenthesis.