Table 4.
The percentage of preoperative to postoperative changes in corneal biomechanics between both groups
| %ge of change | CH | CRF | IOPcc ORA | IOP CST | A1 time | A2 time | A1 length | A2 length | HC time | HC R | HC P D | DA | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Group I | Mean ± SD | - 17.1 ± 5.26 | −17.36 ± 7.09 | −2.36 ± 6.13 | −5.4 ± 9.32 | −2.03 ± 1.22 | −6.73 ± 3.90 | −9.60 ± 2.93 | −7.55 ± 6.57 | −11.28 ± 4.03 | −13.6 ± 5.27 | 15.9 ± 6.8 | 5.13 ± 1.74 |
| range | −25.2to −6.8 | −34.3 to-6.3 | −12.1 to 14.6 | −14.9 to 7.1 | −3.7 to 0.0 | −15.5 to-0.9 | −17.5 to-5.6 | −23.5 to 4.4 | −21.2 to −3.0 | −24.5 to −5.9 | 3.2 to 30.3 |
3.6 to 12.0 | |
| Group II | Mean ± SD | −27.04 ± 9.39 | −33.30 ± 12.45 | −6.59 ± 4.99 | 10.28 ± 7.28 | −6.12 ± 1.49 | −13.48 ± 5.17 | −8.09 ± 3.29 | −5.00 ± 3.24 | −18.94 ± 5.27 | −9.00 ± 4.22 | 28.99 ± 12.15 | 24.38 ± 7.97 |
| range | −54.3 to-14.9 | −52.1 to −8.5 | −16.9 to 1.8 | −16.2 to 3.0 | −8.6 to −3.3 | −21.8 to −4.2 | −14.0 to −3.4 | −11.8 to 3.3 | −26.7 to-7.1 | −18.4 to-2.8 | −2.6 to 50.3 | 9.3 to41.3 | |
| P value | 0.001* | 0.001* | 0.23 | 0.312 | 0.001* | 0.001* | 0.152 | 0.044* | 0.004* | 0.001* | 0.001* | 0.001* | |
*: statistically significant
CH corneal hysteresis, CRF corneal resistance factor, ORA ocular response analyzer, CST Corvis ST, IOP intraocular pressure