Table 3.
Mean and SD of the new parameters using Corvis ST in the two groups (n = 100 eyes).
| Abnormal elevation | Back corneal surface (n = 47) | Both corneal surfaces (n = 53) | p value | ||
|---|---|---|---|---|---|
| Mean ± SD (95% CI) |
Range | Mean ± SD (95% CI) |
Range | ||
| Variables | |||||
| SPA1 (mmHg/mm) | 80.75 ± 16.66 (75.86, 85.64) | 42.80 to 110.80 | 61.34 ± 17.66 (56.47, 66.20) | 23.00 to 93.90 | < 0.001* |
| IR (mm−1) | 9.01 ± 1.17 (8.66, 9.36) | 6.30 to 11.50 | 10.70 ± 1.49 (10.29, 11.11) | 6.90 to 14.60 | < 0.001* |
| DAR | 4.75 ± 0.55 (4.59, 4.92) | 3.80 to 6.40 | 5.46 ± 0.72 (5.25, 5.66) | 3.40 to 7.10 | < 0.001* |
SD standard deviation, CI confidence interval, SP-A1 stiffness parameter at first applanation, IR integrated radius, DAR deformation amplitude ratio; *parametric statistics.