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Table 1 Baseline demographics

From: Artificial intelligence-based refractive error prediction and EVO-implantable collamer lens power calculation for myopia correction

 

NT-ICL cases

TICL cases

Characteristics

Training/validation set

(n = 893)

Testing set

(n = 130)

Training/validation set

(n = 1571)

Testing set

(n = 205)

 

n/mean

%/SD

n/mean

%/SD

n/mean

%/SD

n/mean

%/SD

Left eye, n (%)

414

46.36%

60.00

46.15%

806

51.30%

90

43.90%

Female, n (%)

730

81.75%

106.00

81.54%

1208

76.89%

157

76.59%

Age (years)

28.78

6.53

28.78

6.37

26.78

6.10

26.85

6.20

Preop SE (D)

 − 9.52

3.75

 − 9.08

3.82

 − 10.07

3.12

 − 9.91

2.75

Preop S (D)

 − 9.46

3.72

 − 8.99

3.71

 − 9.10

3.02

 − 8.92

2.71

Preop C (D)

 − 0.12

0.32

 − 0.18

0.53

 − 1.94

0.95

 − 1.98

0.87

Preop A (degree)

20.55

47.92

30.35

59.61

113.60

76.69

98.17

81.08

BCVA (logMAR)

0.02

0.11

0.02

0.09

0.02

0.08

0.01

0.08

Mesopic PD (mm)

6.75

0.74

6.69

0.71

6.82

0.74

6.90

0.72

Photopic PD (mm)

3.19

0.59

3.25

0.62

3.20

0.60

3.22

0.62

IOP (mmHg)

15.37

2.66

15.02

2.47

15.60

2.69

15.60

2.71

Axial length (mm)

27.40

1.77

27.18

1.76

27.38

1.45

27.37

1.39

K1 (D)

42.94

1.47

42.77

1.30

42.81

1.39

42.82

1.48

K1 axis (degree)

88.69

77.02

107.72

75.23

93.36

81.46

80.75

82.56

K2 (D)

43.83

1.56

43.65

1.44

44.73

1.55

44.83

1.73

K2 axis (degree)

90.60

21.68

91.10

22.81

89.87

15.64

91.73

10.69

Kmean (D)

43.39

1.49

43.21

1.35

43.77

1.42

43.82

1.54

ACD (mm)

3.18

0.24

3.15

0.25

3.23

0.24

3.22

0.24

CT (mm)

0.52

0.03

0.53

0.03

0.53

0.03

0.53

0.03

WTW (mm)

11.57

0.39

11.55

0.32

11.63

0.36

11.65

0.35

ACV (mm3)

199.49

32.30

198.25

32.40

203.24

30.42

202.86

31.27

ACA (degree)

38.53

5.13

37.74

5.47

38.95

5.21

38.65

5.17

ICL S (D)

 − 10.15

3.20

 − 9.67

3.25

 − 11.79

3.00

 − 11.64

2.62

ICL C (D)

NA

NA

NA

NA

1.88

0.93

1.92

0.85

ICL A (degree)

NA

NA

NA

NA

89.75

19.02

89.99

14.77

ICL length (mm), n (%)

        

 12.1 mm

108

12.09%

15.00

11.54%

142

9.04%

23

11.22%

 12.6 mm

443

49.61%

72.00

55.38%

769

48.95%

89

43.41%

 13.2 mm

288

32.25%

41.00

31.54%

593

37.75%

81

39.51%

 13.7 mm

54

6.05%

2.00

1.54%

67

4.26%

12

5.85%

Postop SE (D)

 − 0.34

0.76

  

 − 0.26

0.57

 − 0.21

0.49

Postop S (D)

 − 0.03

0.68

0.05

0.70

0.01

0.55

0.06

0.47

Postop C (D)

 − 0.62

0.54

 − 0.62

0.52

 − 0.54

0.40

 − 0.54

0.44

Postop A (degree)

72.72

71.65

68.47

72.40

59.56

67.90

53.00

65.01

Postop BCVA (logMAR)

 − 0.04

0.08

 − 0.04

0.07

 − 0.04

0.07

 − 0.04

0.07

  1. preop = preoperative; SE = spherical equivalent; S = sphere; C = cylinder; A = axis; D = diopters; BCVA = best-corrected visual acuity; mesopic PD = mesopic pupil diameter obtained using auto-refraction; photopic PD = photopic pupil diameter obtained using Pentacam HR; IOP = intraocular pressure; K1 = steepest keratometry; K2 = flattest keratometry; ACD = anterior chamber depth; CT = corneal thickness; WTW = white to white; ACV = anterior chamber volume; ACA = anterior chamber angle; NA = not applicable; postop = postoperative