Table 1.

Demographic and clinical features of the imaged eyes, according to swept-source optical coherence tomography image quality

	Optimal (n=24)	Suboptimal (n=31)	Poor (n=30)	P values
Median age (years) (range)	67 (24–88)	67 (53–91)	66.5 (39–88)	0.94
Gender
Male	13 (54%)	13 (42%)	9 (30%)	0.21
Female	11 (46%)	18 (58%)	21 (70%)
Eye
Left	14 (58%)	14 (45%)	17 (57%)	0.56
Right	10 (42%)	17 (55%)	13 (43%)
Symptoms
None	18 (75%)	18 (58%)	21 (70%)	0.40
Present	6 (25%)	13 (42%)	9 (30%)
Median visual acuity of affected eye (logMAR), (range)	0.0 (–0.12–0.18)	0.0 (–0.12–0.54)	0.0 (–0.12–0.5)	0.29
Cataract	8 (33%)	13 (42%)	19 (63%)	0.08
1 +	6 (25%)	10 (32%)	16 (53%)
2+	1 (4%)	3 (10%)	3 (10%)
3+	1 (4%)	0 (0%)	0 (0%)
Median IOP (mm Hg) (range)	14 (9–22)	17 (12–22)	15 (10–21)	0.28
Choroidal lesion pigmentation
Light	7 (29%)	2 (6%)	2 (7%)	0.001
Medium	9 (38%)	19 (61%)	6 (20%)
Dark	8 (33%)	10 (32%)	22 (73%)
Posterior pole location
Yes	12 (50%)	13 (42%)	3 (10%)	0.005
No	12 (50%)	18 (58%)	27 (90%)
Location based on fundus photos
Inferior	7 (29%)	10 (33%)	12 (40%)	0.70
Temporal	10 (42%)	11 (37%)	10 (33%)	0.90
Superior	4 (17%)	4 (13%)	8 (27%)	0.33
Nasal	3 (13%)	5 (17%)	11 (37%)	0.05
Peripapillary	1 (4%)	2 (7%)	4 (13%)	0.45
Macula	11 (46%)	14 (47%)	4 (13%)	0.015
Median distance from the optic disc (mm) (range)	4.8 (0–8.0)	3.5 (0–13.6)	5.9 (0–14.6)	0.11
Median distance from the fovea (mm) (range)	3.0 (0.2–10.0)	3.3 (0–12.0)	7.4 (0–18.6)	<0.001
Drusen
No	9 (37%)	4 (13%)	4 (13%)	0.05
Yes	15 (63%)	27 (87%)	26 (87%)
Lipofuscin
No	22 (92%)	23 (74%)	23 (77%)	0.25
Yes	2 (8%)	8 (26%)	7 (23%)
Median maximum lesion diameter (mm) (range)	4.3 (1.7–10.9)	5.1 (1.8–10.9)	7.0 (3.2–18.1)	<0.001
Median lesion thickness by ultrasonography (mm) (range)	<1 (<1–2.1)	1 (<1–1.8)	1.25 (<1–3)	0.04

IOP, intraocular pressure.