Table 1.
Characteristics of the SMILE and FS-LASIK Groups
| Entire cohort (n = 188) | Propensity score-matched cohort (n = 98) | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Characteristics | SMILE Group (n = 97) | FS-LASIK Group (n = 91) | P | SMILE Group (n = 49) | FS-LASIK Group (n = 49) | P | ||||
| Mean | SD | Mean | SD | Mean | SD | Mean | SD | |||
| Age (years) | 29.86 | 6.16 | 30.47 | 6.25 | 0.407 | 31.05 | 5.81 | 30.00 | 6.16 | 0.542 |
| Preoperative SE (OD) (D) | −6.53 | 1.83 | −7.99 | 2.52 | < 0.001 | − 6.99 | 1.95 | −7.28 | 2.28 | 0.885 |
| Preoperative SE (OS) (D) | −5.99 | 1.92 | −8.15 | 2.50 | < 0.001 | −6.76 | 1.96 | −6.97 | 2.53 | 0.939 |
| Postoperative SE (OD) (D) | −0.22 | 0.56 | − 0.51 | 0.96 | 0.024 | −0.27 | 0.68 | − 0.27 | 0.50 | 0.457 |
| Postoperative SE (OS) (D) | −0.18 | 0.58 | −0.53 | 1.05 | 0.205 | −0.25 | 0.67 | −0.23 | 0.53 | 0.555 |
| Lenticule diameter (OD) (mm) | 6.46 | 0.15 | 6.38 | 0.29 | 0.057 | 6.45 | 0.16 | 6.41 | 0.28 | 0.452 |
| Lenticule diameter (OS) (mm) | 6.46 | 0.15 | 6.38 | 0.29 | 0.104 | 6.45 | 0.16 | 6.42 | 0.27 | 0.696 |
SMILE small incision lenticule extraction, FS-LASIK femtosecond laser-assisted LASIK, D diopter