Table 4 Control rate of spherical equivalent refractive error (SER) progression and axial length elongation on myopia children using atropine in different studies.

From: Safety and efficacy of 0.02% and 0.01% atropine on controlling myopia progression: a 2-year clinical trial

Author, year

Country

Study design

Age (y)

Baseline SER (D)

Follow-up time (M)

Change of SER (D)

Control rate of SER progression (%)

Change of axial length(mm)

Control rate of axial length elongation (%)

Control group

Concentration of atropine

Control group

Concentration of atropine

Current study

Mainland China

RCT

6–14

 − 1.25 to − 6.00

  

0.01%

0.02%

 

0.01%

0.02%

  

0.01%

0.02%

 

0.01%

0.02%

 

0 − 12

 − 0.70

 − 0.47

 − 0.38

 

32.9

45.7

 

0.46

0.37

0.30

 

19.6

34.8

 

12 − 24

 − 0.63

 − 0.46

 − 0.42

 

27.0

33.3

 

0.42

0.35

0.32

 

16.7

23.8

 

0 − 24

 − 1.33

 − 0.93

 − 0.80

 

30.1

39.8

 

0.88

0.72

0.62

 

18.2

29.5

 

Chia et al.7

Singapore

RCT

6–12

 ≤  − 2.0

  

0.01%

0.1%

0.5%

0.01%

0.1%

0.5%

 

0.01%

0.1%

0.5%

0.01%

0.1%

0.5%

0–12

 − 0.76

 − 0.43

 − 0.31

 − 0.17

43.4

59.2

77.6

0.20

0.24

0.13

0.11

0

35.0

45.0

12–24

 − 0.44

 − 0.06

 − 0.07

 − 0.13

86.4

84.1

70.5

0.18

0.17

0.15

0.16

5.6

16.7

11.1

0–24

 − 1.20

 − 0.49

 − 0.38

 − 0.30

59.2

68.3

75

0.38

0.41

0.28

0.27

0

26.3

29.0

Yam et al.11

Hong Kong, China

RCT

4–12

 ≤  − 1.0

  

0.01%

0.025%

0.05%

0.01%

0.025%

0.05%

 

0.01%

0.025%

0.05%

0.01%

0.025%

0.05%

0–12

 − 0.81

 − 0.64

 − 0.46

 − 0.25

21.0

43.2

69.1

0.41

0.35

0.29

0.20

14.6

29.3

51.2

12–24

 − 0.48

 − 0.39

 − 0.30

0.25

0.22

0.18

0–24

 − 1.12

 − 0.85

 − 0.55

0.59

0.50

0.39

Larkin et al.12

American

Retrospective

6–15

 − 0.25to − 8.00

  

0.01%

  

0.01%

         

0–12

 − 0.6

 − 0.2

  

66.7

         

12–24

 − 0.6

 − 0.1

  

83.3

         

0–24

 − 1.2

 − 0.3

  

75

         

Wei et al.13

Mainland China

RCT

6–12

 − 1.00 to − 6.00

  

0.01%

  

0.01%

   

0.01%

  

0.01%

  

0–12

 − 0.76

 − 0.49

  

35.5

  

0.41

0.32

  

22.0

  

Clark et al.14

American

Retrospective

6–15

 − 0.25to − 8.00

  

0.01

  

0.01%

         

0–12

 − 0.6

 − 0.1

  

83.3

         

Moon et al.17

Korea

Retrospective

5–14

 ≥  − 6.0

  

0.01%

0.025%

0.05%

0.01%

0.025%

0.05%

 

0.01%

0.025%

0.05%

0.01%

0.025%

0.05%

0–12

 − 1.61

 − 0.84

 − 0.56

 − 0.23

47.8

65.2

85.7

0.55

0.44

0.30

0.23

20.0

45.5

58.2

Joachimsen et al.16

German

Retrospective

6–17

SE progression ≥ 0.5 D /year

  

0.01%

  

0.01%

         

0–12 M

 − 1.05

 − 0.40

  

61.9

         

Sacchi et al.15

European

Retrospective

5–14

SE progression ≥ 0.5 D /year

  

0.01%

  

0.01%

         

0–12 M

 − 1.09

 − 0.54

  

50.5