Table 1.
Difference and correlation analysis of the TCT from the RTVue-OCT and Visante-OCT.
| RTVue-OCT | Visante-OCT | Difference | Correlation | ICC | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mean | SD | 95% CI-U | 95% CI-L | Mean | SD | 95% CI-U | 95% CI-L | Mean | SD | p | r | p | (95% LoA) | |
| Normal eyes | 530.4 | 19.7 | 500.2 | 564.5 | 521.5 | 18.3 | 493.4 | 555.2 | 8.9 | 6.9 | <0.001 | 0.938 | <0.001 | 0.915 (0.906–0.952) |
| Keratoconus | 425.0 | 58.2 | 307.7 | 504.6 | 424.4 | 55.7 | 310.7 | 499.8 | 0.6 | 10.2 | 0.604 | 0.985 | <0.001 | 0.984 (0.976–0.990) |
| Subgroup 1 (keratoconus) |
469.5 | 26.5 | 433.4 | 518.6 | 466.2 | 25.9 | 430.7 | 517.3 | 3.2 | 7.7 | 0.009 | 0.957 | <0.001 | 0.950 (0.899–0.974) |
| Subgroup 2 (keratoconus) |
376.0 | 41.7 | 286.7 | 425.7 | 378.3 | 41.3 | 291.3 | 423.0 | −2.3 | 11.8 | 0.223 | 0.960 | <0.001 | 0.959 (0.924–0.978) |