Table 2 Baseline characters of studies
First author | Publication year | Study location | Study design | Follow-up (months) | Group | N (eye) at baseline | Age (year) Mean ± SD | SE (D) Mean ± SD | CCT (μm) Mean ± SD | IOP (mmHg) Mean ± SD |
|---|---|---|---|---|---|---|---|---|---|---|
2014/2019 | Denmark | RCT | 6 | SMILE | 34 | 35.00 ± 7.00 | −7.65 ± 1.11 | 552.00 ± 30.00 | 16.10 ± 3.00 | |
|  |  |  |  |  | FLEX | 34 | 35.00 ± 7.00 | −7.59 ± 0.97 | 553.00 ± 28.00 | 15.80 ± 2.80 |
Danyang Wang [47] | 2014 | China | Prospective cohort | 3 | SMILE (SE ≤ −6.00D) | 124 | 24.85 ± 4.34 | −4.45 ± 1.00 | 553.57 ± 25.50 | 15.75 ± 3.12 |
|  |  |  |  |  | FS-LASIK (SE ≤-6.00D) | 49 | 25.47 ± 3.71 | −4.24 ± 1.40 | 547.49 ± 35.00 | 14.79 ± 2.87 |
|  |  |  |  |  | SMILE (SE > −6.00D) | 63 | 24.70 ± 4.68 | −7.38 ± 0.95 | 556.00 ± 26.91 | 16.97 ± 2.78 |
|  |  |  |  |  | FS-LASIK (SE > −6.00D) | 30 | 23.73 ± 3.94 | −7.60 ± 1.04 | 539.43 ± 34.23 | 16.17 ± 3.23 |
Iben Bach Pedersen [48] | 2014 | Denmark | Cross-sectional | 16 | SMILE | 29 | 40.90 ± 6.73 | −7.10 ± 1.56 | N/A | N/A |
|  |  |  |  | 28 | FLEX | 31 | 40.50 ± 9.47 | −7.43 ± 1.11 | N/A | N/A |
|  |  |  |  | 37 | FS-LASIK | 35 | 38.40 ± 44.55 | −7.40 ± 1.18 | N/A | N/A |
Kazutaka Kamiya [49] | 2014 | Japan | RCT | 3 | SMILE | 24 | 31.80 ± 6.00 | −4.10 ± 1.70 | 543.10 ± 32.40 | 13.30 ± 3.20 |
|  |  |  |  |  | FLEX | 24 | 31.80 ± 6.00 | −4.10 ± 1.70 | 545.50 ± 31.80 | 13.80 ± 3.30 |
Di Wu [39] | 2014 | China | Prospective cohort | 6 | SMILE | 40 | 25.75 ± 5.40 | −5.71 ± 1.19 | 554.15 ± 24.77 | N/A |
|  |  |  |  |  | FS-LASIK | 40 | 24.25 ± 6.02 | −5.80 ± 1.14 | 556.70 ± 30.60 | N/A |
Alper Agca [38] | 2014 | Turkey | RCT | 6 | SMILE | 30 | 26.63 ± 4.57 | −3.62 ± 1.79 | 539.00 ± 28.00 | N/A |
|  |  |  |  | FS-LASIK | 30 | 26.63 ± 4.57 | −3.71 ± 1.83 | 542.00 ± 37.00 | N/A | |
Yang Shen [50] | 2014 | China | Cross-sectional | 3 | SMILE | 17 | 27.06 ± 6.77 | −6.48 ± 1.22 | 557.65 ± 22.56 | N/A |
|  |  |  | LASEK | 18 | 22.89 ± 6.42 | −6.09 ± 1.87 | 533.06 ± 29.38 | N/A | ||
|  |  |  | FS-LASIK | 17 | 29.53 ± 7.42 | −8.71 ± 2.02 | 562.71 ± 20.96 | N/A | ||
Rui Dou [51] | 2015 | China | Retrospective cohort | 3 | SMILE | 36 | 24.00 ± 8.07 | −3.87 ± 0.95 | 538.00 ± 20.60 | 15.64 ± 2.04 |
|  |  |  |  |  | LASEK | 35 | 23.00 ± 3.36 | −3.51 ± 1.21 | 532.00 ± 32.40 | 15.99 ± 3.50 |
Shervin Mir Mohi Sefat [25] | 2015 | Germany | Prospective cohort | 3 | SMILE | 43 | 36.60 ± 7.70 | −3.81 ± 0.95 | 553.10 ± 29.00 | 15.80 ± 2.60 |
|  |  |  | FS-LASIK | 26 | 36.20 ± 6.70 | −3.65 ± 1.12 | 561.40 ± 30.10 | 15.90 ± 1.90 | ||
Wenjing Wu [40] | 2015 | China | Retrospective cohort | 3 | SMILE | 75 | 24.25 ± 5.38 | −5.49 ± 1.35 | 547.69 ± 27.06 | 15.80 ± 2.55 |
|  |  |  | FS-LASIK | 75 | 24.28 ± 5.24 | −5.56 ± 1.76 | 545.97 ± 27.71 | 15.79 ± 2.78 | ||
Hua Li [30] | 2016 | China | Retrospective cohort | 6 | SMILE | 97 | 25.00 ± 6.00 | −5.60 ± 1.43 | 546.75 ± 26.06 | 15.84 ± 2.12 |
|  |  |  |  |  | FS-LASIK | 96 | 24.00 ± 6.00 | −5.95 ± 1.78 | 542.86 ± 30.54 | 15.58 ± 2.56 |
Ihab Mohamed Osman [36] | 2016 | Egypt | Retrospective cohort | 1 | SMILE | 25 | 26.28 ± 3.41 | −5.43 ± 1.17 | 532.84 ± 16.37 | 14.89 ± 3.15 |
|  |  |  |  |  | LASIK | 25 | 26.88 ± 3.99 | −5.16 ± 1.42 | 527.96 ± 16.21 | 15.59 ± 3.23 |
Bingjie Wang [41] | 2016 | China | Retrospective cohort | 12 | SMILE | 50 | 25.26 ± 6.64 | −7.60 ± 1.12 | 542.96 ± 23.34 | 14.68 ± 2.65 |
|  |  | FS-LASIK | 56 | 24.75 ± 6.24 | −7.68 ± 1.19 | 548.00 ± 23.97 | 14.94 ± 2.36 | |||
Lei Xia [52] | 2016 | China | Prospective cohort | 6 | SMILE | 69 | 25.15 ± 4.42 | −5.04 ± 2.32 | 545.50 ± 28.20 | N/A |
|  |  |  |  | FS-LASIK | 59 | 23.65 ± 3.87 | −5.13 ± 1.36 | 538.80 ± 31.50 | N/A | |
Minjie Chen [53] | 2016 | China | Prospective cohort | 3 | SMILE | 75 | 26.30 ± 4.20 | −4.40 ± 1.00 | 553.00 ± 26.50 | N/A |
|  |  |  | LASEK | 76 | 26.70 ± 5.20 | −3.70 ± 1.10 | 542.40 ± 34.30 | N/A | ||
Yusuf Yildirim [54] | 2016 | Turkey | Retrospective cohort | 6 | SMILE | 42 | 29.00 ± 5.90 | −3.50 ± 1.00 | 528.10 ± 23.60 | N/A |
|  |  |  |  | PRK | 42 | 27.60 ± 5.20 | −3.60 ± 0.60 | 517.60 ± 24.60 | N/A | |
Jun Zhang [55] | 2016 | China | Prospective cohort | 3 | SMILE | 80 | N/A | −5.12 ± 1.62 | 550.80 ± 25.77 | N/A |
|  |  |  |  |  | FS-LASIK | 80 | N/A | −4.87 ± 1.80 | 547.06 ± 29.53 | N/A |
Rohit Shetty [56] | 2017 | India | RCT | 6 | SMILE | 31 | 24.00 ± 1.00 | −6.18 ± 0.41 | 514.18 ± 4.50 | 13.00 ± 0.45 |
|  |  |  |  |  | FS-LASIK | 31 | 24.00 ± 1.00 | −7.22 ± 1.32 | 517.00 ± 4.89 | 13.50 ± 0.46 |
Mohamed Nagy Elmohamady [57] | 2018 | Egypt | Prospective cohort | 36 | SMILE | 35 | 24.42 ± 5.91 | −8.05 ± 2.06 | 579.32 ± 10.65 | N/A |
|  | LASIK | 30 | 23.84 ± 4.75 | −7.49 ± 2.05 | 582.84 ± 12.25 | N/A | ||||
FS-LASIK | 38 | 23.84 ± 4.75 | −7.14 ± 1.97 | 587.96 ± 12.06 | N/A | |||||
Manrong Yu [58] | 2018 | China | Prospective cohort | 36 | SMILE | 32 | 23.40 ± 4.60 | −4.10 ± 0.80 | 551.10 ± 23.10 | 17.40 ± 4.60 |
|  |  |  |  |  | LASEK | 32 | 25.70 ± 5.70 | −3.70 ± 1.00 | 538.30 ± 34.60 | 16.60 ± 2.50 |
Esraa El-Mayah [59] | 2018 | Spain | Prospective cohort | 3 | SMILE | 30 | 29.53 ± 5.37 | −4.17 ± 1.86 | N/A | N/A |
|  |  |  |  |  | FS-LASIK | 30 | 27.40 ± 4.95 | −3.97 ± 2.02 | N/A | N/A |