Comparison of Two Different OCT Systems: Retina Layer Segmentation and Impact on Structure-Function Analysis in Glaucoma
Table 2
Group
POAG ()
Controls ()
value
Age (yrs) (mean ± SD)
59.5 ± 13.9
49.2 ± 7.0
Gender (M/F)
12/5
4/12
BVCA (decimal) (median, range)
1.0 (0.9–1.25)
1.2 (0.9–1.25)
Refraction (mean ± SD)
Diopters
−0.38 ± 2.0
−0.61 ± 2.1
Cylinder
0.65 ± 0.72
0.72 ± 0.65
MD (dB) (median, range)
2.2 (−0.4–17.0)
−0.2 (−3.8–2.0)
RNFL (µm) (mean ± SD)
69.4 ± 11.1
90.0 ± 10.6
IOP (mmHg) (mean ± SD)
12.8 ± 1.7
13.3 ± 2.7
CDR (median, range)
0.8 (0.5–0.9)
0.3 (0.2–0.4)
POAG: primary open angle glaucoma, SD: standard deviation, BVCA: best corrected visual acuity (decimal), MD: mean defect (dB), RNFL: retinal nerve fiber layer average thickness, IOP: intraocular pressure under medication (mmHg), CDR: cup-to-disc ratio. values were obtained with -test and posterior adjustment with FDR (false discovery rate).