Table 3. Comparison of the Macular Thickness of 9 Sectors on ETDRS Measured by the Topcon Algorithm and the Graph-Based Algorithm (Mean ± SD).
Normal subjects | Glaucoma subjects | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Topcon | Graph-Based | Correlation coefficient | Mean Difference (Topcon-Graph Based) | p-value | Topcon | Graph-Based | Correlation coefficient | Mean Difference (Topcon-Graph Based) | p-value | |||
Cen | 223.6±18.5 | 217.3±17.8 | 0.95 | 6.3±5.9 | <0.01 | 225.1±21.6 | 216.8±20.0 | 0.84 | 8.3±11.8 | <0.01 | ||
Sin | 299.7±17.0 | 296.5±17.2 | 0.96 | 3.2±4.5 | <0.01 | 284.7±22.4 | 281.7±22.7 | 0.93 | 3.0±8.7 | <0.01 | ||
Nin | 300.9±18.0 | 296.7±17.4 | 0.93 | 4.2±6.5 | <0.01 | 285.2±23.2 | 283.0±23.8 | 0.90 | 2.2±11.0 | >0.06 | ||
Iin | 295.7±17.0 | 293.7±16.4 | 0.94 | 2.1±5.7 | <0.01 | 276.5±25.1 | 275.2±24.3 | 0.95 | 1.3±7.8 | >0.12 | ||
Tin | 284.0±16.5 | 283.6±16.3 | 0.95 | 0.4±5.3 | >0.17 | 269.1±21.3 | 267.0±21.4 | 0.91 | 2.1±8.9 | >0.02 | ||
Sout | 265.7±15.0 | 262.8±15.5 | 0.94 | 2.8±5.5 | <0.01 | 246.5±20.3 | 245.3±20.1 | 0.93 | 1.2±7.8 | >0.12 | ||
Nout | 281.8±16.6 | 284.3±21.3 | 0.86 | -2.5±11.4 | <0.01 | 263.2±22.9 | 263.4±26.2 | 0.71 | -0.2±19.0 | >0.90 | ||
Iout | 254.0±14.2 | 251.6±15.2 | 0.90 | 2.5±6.7 | <0.01 | 235.5±21.2 | 232.1±20.8 | 0.92 | 3.4±5.6 | <0.01 | ||
Tout | 249.7±14.5 | 246.2±15.4 | 0.79 | 3.6±9.7 | <0.01 | 234.3±19.1 | 234.9±22.1 | 0.70 | -0.6±16.2 | >0.70 | ||
Ave | 268.9±13.5 | 267.0±14.1 | 0.96 | 1.9±4.0 | <0.01 | 251.4±18.6 | 250.7±19.0 | 0.93 | 1.0±7.4 | >0.20 |