Table 1 Demographic characteristics and spherical equivalent difference of children with anisometropia belonging to hyperopic, myopic, and antimetropic groups.

Number

79 (50.6%)

42 (26.9%)

35 (22.4%)

Sex (Male/Female)^b

42/37

20/22

19/16

0.803

First visit (years old)^a

  Mean ± SD

5.2 ± 1.9

6.9 ± 2.6

5.8 ± 2.4

*0.001

Follow up years^a

  Mean ± SD

4.4 ± 2.1

3.6 ± 2.4

3.8 ± 1.9

0.157

Spherical equivalent difference at first visit (Diopter)^a

 Mean ± SD

2.29 ± 1.19

3.16 ± 3.22

3.53 ± 2.68

*0.014

 Median

2.00

1.63

3.1

 Range

1.00 to 6.13

1.00 to 14.25

1.0 to13.0

Spherical equivalent difference at last visit (Diopter)^a

 Mean ± SD

2.30 ± 1.44

3.20 ± 3.19

3.34 ± 2.26

*0.028

 Median

2.00

2.06

2.63

 Range

0.13 to 6.00

0.25 to 17.25

0.75 to 10.50

Anisometropia change* from first to last visit (Diopter)^a

 Mean ± SD

0.19 ± 1.41

0.04 ± 1.62

− 0.23 ± 1.59

0.672

 Median

0.00

0.19

0.25

 Range

− 3.13 to 4.25

− 5.00 to 3.50

− 4.13 to 3.50

Atropine use^b

 Number

23 (29.1%)

31 (73.8%)

18 (51.4%)

* < 0.001

Amblyopia^b

 First visit

58 (73.4%)

18 (42.9%)

18 (51.4%)

*0.002

 Last visit

14 (17.7%)

10 (23.8%)

4 (11.4%)

0.369

Strabismus^b

 No strabismus

39 (49.4%)

27 (64.3%)

19 (54.3%)

*< 0.001

 Esotropia

30 (38.0%)

2 (4.7%)

3 (8.6%)

–

 Exotropia

10 (12.7%)

13 (31.0%)

13 (37.1%)

–