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Table 4 Bland-Altman analysis of macular thickness and volume values between Stratus TD-OCT and Cirrus HD-OCT

From: Spectral- and time-domain optical coherence tomography measurements of macular thickness in young myopic eyes

Low to moderate myopia group High myopia group
Mean differences The 95% agreement limit Range 1.96 × SD Mean differences The 95% agreement limit Range 1.96 × SD
Avg 48.89 ± 5.28 40.04-57.75 17.71 10.35 48.82 ± 4.52 38.47-59.16 20.69 8.86
F 55.27 ± 6.35 42.83-67.71 24.88 12.45 57.73 ± 7.64 42.76-72.70 29.94 14.97
Ti 52.13 ± 7.34 37.75-66.52 28.77 14.39 50.65 ± 6.59 37.74-63.56 25.82 12.92
Si 51.43 ± 6.33 39.02-63.85 24.83 12.41 50.48 ± 7.10 36.57-64.39 27.82 13.92
Ni 51.27 ± 9.22 33.19-69.35 36.16 18.07 53.02 ± 8.11 37.11-68.93 31.82 15.90
Ii 49.34 ± 6.80 36.02-62.66 26.64 13.33 47.90 ± 7.15 33.89-61.90 28.01 14.01
To 46.27 ± 8.39 29.82-62.71 32.89 16.44 48.15 ± 11.38 25.83-70.46 44.63 22.30
So 42.34 ± 8.72 25.26-59.42 34.16 17.09 43.38 ± 8.29 27.13-59.62 32.49 16.25
No 46.28 ± 7.97 30.65-61.90 31.25 15.62 44.10 ± 6.64 31.08-57.13 26.05 13.01
Io 45.70 ± 5.95 34.05-57.36 23.31 11.66 43.94 ± 6.34 31.51-56.37 24.86 12.43
Vol 3.23 ± 0.25 2.73-3.72 0.99 0.49 3.19 ± 0.27 2.67-3.71 1.04 0.52