Table 2.
Summary Statistics.
All | Age (yrs) | IOP (mmHg) | Peak IOP | Visual acuity (LogMAR) | CCT (µm) | Refraction (dp) | Medications | MD (dB) | PSD (dB) | Disc Area (mm2) | RNFL (µm) | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
n = | Median (IQR) | Median (IQR) | (IQR) | Median (IQR) | Median (IQR) | Median (IQR) | Median (IQR) | Median (IQR) | Median (IQR) | Median (IQR) | Median (IQR) | |
All | 885 (100) | 71.0 (15.0) | 13.2 (4.4) | 15.0 (5.0) | 0.1 (0.2) | 547.0 (51.5) | −1.0 (2.7) | 1.0 (1.0) | −4.4 (3.1) | 5.3 (2.8) | 1.8 (0.5) | 67.0 (17.0) |
Concentric Thinning | 153 (18) | 72.0 (15.0) | 13.7 (4.6) | 16.0 (6.0) | 0.1 (0.2) | 549.0 (46.5) | −0.7 (1.9) | 1.0 (1.0) | −4.0 (2.8) | 4.8 (2.0) | 1.8 (0.5) | 71.0 (18.0) |
Focal Thinning | 398 (45) | 72.0 (15.0) | 13.4 (4.2) | 15.0 (5.0) | 0.1 (0.2) | 547.0 (50.0) | −1.0 (2.2) | 2.0 (1.0) | −4.3 (3.0) | 5.4 (2.9) | 1.7 (0.4) | 67.0 (17.1) |
APON | 25 (3) | 68.0 (8.0) | 12.3 (4.9) | 14.0 (6.0) | 0.0 (0.1) | 557.0 (58.0) | −1.2 (2.2) | 1.0 (1.0) | −3.8 (2.4) | 6.8 (3.9) | 1.9 (0.3) | 66.0 (10.0) |
Tilted | 109 (12) | 66.0 (13.0) | 12.6 (3.8) | 14.0 (4.0) | 0.1 (0.1) | 554.5 (42.0) | −3.6 (4.6) | 1.0 (1.0) | −4.5 (2.9) | 5.7 (3.1) | 1.6 (0.5) | 69.0 (15.0) |
Extensive PPA | 47 (5) | 74.0 (15.0) | 13.6 (5.6) | 15.0 (8.0) | 0.1 (0.2) | 545.0 (70.0) | −1.5 (3.2) | 1.0 (1.0) | −5.4 (3.2) | 5.1 (2.2) | 1.6 (0.5) | 68.0 (16.5) |
Broad Thinning | 153 (17) | 72.0 (13.0) | 12.4 (4.0) | 14.0 (5.0) | 0.1 (0.3) | 534.0 (53.2) | −1.5 (2.3) | 1.0 (2.0) | −5.1 (2.8) | 5.3 (2.8) | 1.8 (0.5) | 62.8 (12.0) |
P value | 0.000 | 0.035 | 0.022 | 0.003 | 0.014 | 0.000 | 0.133 | 0.001 | 0.001 | 0.000 | 0.000 |
Continuous variables. Statistically significant variables (p < 0.05) based on the Kruskal–Wallis test are highlighted.
IOP Intraocular Pressure, LogMAR Logarithm of the Minimal Angle of Resolution, CCT Central Corneal Thickness, MD Mean Deviation, PSD Pattern Standard Deviation, RNFL Retinal Nerve Fiber Layer.