Table 2 Mean values and associations (univariate analysis) between the ankle brachial index (defined as the ratio of the highest values of ankle systolic blood pressure of both sides divided by the highest value of arm systolic blood pressure of both sides) and ocular parameters in the Ural Eye and Medical Study.
From: Ankle-brachial index and ocular diseases in a Russian population
Parameter | Interval | n | Mean | Non-standardized regression coefficient B | 95% Confidence interval of B | P-Value |
|---|---|---|---|---|---|---|
Refractive error, spherical equivalent | Diopters | 3,026 | 0.23 ± 2.16 | 0.000 | −0.003, 0.004 | 0.75 |
Refractive error, cylindrical value | Diopters | 3,056 | −0.70 ± 0.76 | 0.002 | −0.007, 0.011 | 0.64 |
Axial length | mm | 3,148 | 23.4 ± 1.0 | −0.001 | −0.007, 0.006 | 0.87 |
Corneal refractive power | Diopters | 3,149 | 43.7 ± 1.7 | 0.004 | 0.000, 0.008 | 0.06 |
Central corneal thickness | µm | 3,150 | 541.9 ± 33.7 | 0.000 | 0.000, 0.000 | 0.92 |
Corneal volume | mm3 | 3,151 | 59.2 ± 3.9 | 0.001 | −0.001, 0.002 | 0.44 |
Anterior chamber depth | mm | 3,146 | 3.20 ± 0.46 | 0.000 | −0.015, 0.014 | 0.96 |
Anterior chamber volume | µL | 3,151 | 131.8 ± 34.4 | 0.000 | 0.000, 0.000 | 0.36 |
Anterior chamber angle | Degree | 3,146 | 31.9 ± 6.6 | −0.001 | −0.002, 0.000 | 0.19 |
Lens thickness | mm | 3,048 | 4.57 ± 0.41 | 0.016 | 0.000, 0.033 | 0.047 |
Nuclear cataract degree | Grade | 3,044 | 2.05 ± 1.01 | −0.004 | −0.010, 0.003 | 0.28 |
Nuclear cataract, presence | Yes/No | 3,044 | 963/2081 | −0.12 | −0.026, 0.002 | 0.09 |
Cortical cataract, degree | Percentage | 3,043 | 2.24 ± 8.8 | 0.000 | −0.001, 0.000 | 0.45 |
Cortical cataract, presence | Yes/No | 3,043 | 328/2715 | 0.002 | −0.019, 0.024 | 0.83 |
Subcapsular cataract, degree | Percentage | 3,045 | 0.14 ± 2.02 | 0.001 | −0.003, 0.004 | 0.70 |
Age-related macular degeneration | Yes/No | 2,566 | 267/2,299 | 0.004 | −0.01, 0.01 | 0.41 |
Age-related macular degeneration | No/early/Intermediate/Late | 2,566 | 2,299/195/59/13 | 0.001 | −0.01, 0.01 | 0.72 |
Subcapsular cataract, presence | Yes/No | 3,045 | 17/3028 | 0.019 | −0.070, 0.107 | 0.68 |
Fundus tessellation, macula region | Grade | 2,558 | 0.60 ± .86 | −0.01 | −0.19, 0.002 | 0.02 |
Fundus tessellation, peripapillary region | Grade | 2,981 | 1.10 ± 0.97 | −0.01 | −0.014, 0.000 | 0.048 |
Intraocular pressure, | mmHg | 3,143 | 13.5 ± 4.0 | −0.001- | 0.002, 0.001 | 0.33 |
Retinal thickness (total), fovea | µm | 3,096 | 230 ± 44 | 0.000 | 0.000, 0.000 | 0.08 |
Retinal thickness (total), 300 µm temporal to the fovea | µm | 3,096 | 258 ± 36 | 0.000 | −0.001, 0.000 | 0.001 |
Retinal thickness (total), 300 µm nasal to the fovea | µm | 3,095 | 261 ± 41 | 0.000 | 0.000, 0.000 | 0.14 |
Retinal nerve fiber layer thickness | µm | 3,089 | 115.2 ± 18.5 | 0.000 | 0.000, 0.001 | 0.34 |
Glaucoma | Yes/No | 3,049 | 98/2591 | −0.002 | −0.039, 0.036 | 0.93 |
Glaucoma stage | 0–5 | 3,049 | 0.07 ± 0.43 | 0.000 | −0.015, 0.016 | 0.98 |
Open-angle glaucoma | Yes/No | 3,049 | 65/2,984 | −0.001 | −0.047, 0.045 | 0.97 |
Angle-closure glaucoma | Yes/No | 3,049 | 33/3,016 | 0.003 | −0.061, 0.067 | 0.92 |
Diabetic retinopathy | Yes/No | 2,557 | 41/2,516 | −0.049 | −0.107, 0.009 | 0.095 |
Diabetic retinopathy, ETDRS grading | Scale | 2,559 | 0.03 ± 0.22 | −0.027 | −0.060, 0.006 | 0.10 |
