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. Author manuscript; available in PMC: 2024 Jun 1.
Published in final edited form as: Ophthalmology. 2023 Feb 6;130(6):631–639. doi: 10.1016/j.ophtha.2023.01.021

Table 2.

Distribution of rates of RNFL thickness and MD worsening

Mean Median 75th Percentile 90th Percentile
OCT (μm/yr) Average −3.08 −0.39 −1.09 −2.35
Suspect −1.57 −0.37 −1.01 −1.96
Mild −1.72 −0.39 −1.05 −2.07
Moderate −6.21 −0.43 −1.13 −2.75
Severe −8.49 −0.39 −1.37 −5.16
VF (dB/yr) Average −0.23 −0.14 −0.39 −0.79
Suspect −0.17 −0.11 −0.28 −0.53
Mild −0.27 −0.16 −0.43 −0.90
Moderate −0.31 −0.22 −0.67 −1.24
Severe −0.15 −0.21 −0.59 −1.07
Percentage of eyes with a measured rate at or less than
0 −0.5 −1 −1.5 −2 −2.5 −3
OCT (μm/yr) Average 68.9% 45.0% 27.0% 17.5% 12.1% 9.3% 7.6%
Suspect 69.2% 43.6% 25.2% 15.0% 9.6% 6.9% 5.6%
Mild 69.6% 44.7% 25.8% 15.9% 10.5% 7.8% 6.2%
Moderate 71.2% 46.4% 28.5% 19.4% 13.0% 10.8% 8.9%
Severe 65.1% 47.3% 31.8% 23.9% 20.0% 16.6% 13.5%
VF (dB/yr) Average 71.6% 18.8% 7.0% 3.3% 1.7% 0.8% 0.5%
Suspect 73.0% 11.0% 3.1% 1.5% 0.7% 0.3% 0.2%
Mild 71.7% 21.6% 8.5% 3.9% 2.0% 1.1% 0.7%
Moderate 67.7% 32.1% 14.7% 7.1% 3.8% 2.0% 1.1%
Severe 69.1% 29.5% 11.1% 4.8% 2.3% 0.8% 0.3%

OCT = optical coherence tomography; VF = visual field; RNFL = retinal nerve fiber layer; MD = mean deviation.