Table 3 MRSE, refractive cylinder, UDVA, and CDVA preoperatively, after the initial SMILE and cap-preserving RE-SMILE procedure. t = t-test statistic, p = p-value, z = Wilcoxon signed rank statistic
MRSE(D) | Cylinder(D) | UDVA(logMAR) | CDVA(logMAR) | |
|---|---|---|---|---|
Mean ± SD | Mean ± SD | Mean ± SD | Mean ± SD | |
Preoperative | −9.36 ± 0. 89 | −0.78 ± 0.74 | 0.93 ± 0.20 | 0.45 ± 0.12 |
Post primary SMILE | −2.18 ± 0.71 | −0.75 ± 0.83 | 0.40 ± 0.15 | 0.26 ± 0.20 |
Significance of changes due to primary SMILE | z = − 2.67 p = 0.008 | t = − 0.073 p = 0.943 | z = −2.692 p = 0.007 | t = 3.875 p = 0.005 |
Post Re-SMILE | −0.13 ± 0.68 | −0.53 ± 0.34 | 0.22 ± 0.12 | 0.21 ± 0.11 |
Significance of changes due to Re- SMILE | t = −5.447 p = 0.001 | t = − 730 p = 0.486 | t = 3.568 p = 0.007 | z = −1.187 p = 0.235 |