Table 7 Clinical characteristic according to subtype of spastic type of cerebral palsy

Age (years)

6.9 ± 3.8 (2,19)

6.9 ± 4.7 (2,22)

6.8 ± 4.1 (2,17)

0.997*

F/U duration (month)

8.9 ± 8.8 (1,31)

8.9 ± 8.6 (1,32)

8.4 ± 9.6 (1,34)

0.975*

Visual acuity (LogMAR) OD

0.42 ± 0.31 (0,1.00)

0.42 ± 0.25 (0.05,0.82)

0.42 ± 0.24 (0,0.70)

0.978*

Visual acuity (LogMAR) OS

0.48 ± 0.31 (0.05,1.30)

0.44 ± 0.25 (0.10,0.82)

0.45 ± 0.26 (0,0.70)

0.890*

Spherical equivalent, OD

0.20 ± 3.34 (−16.0,6.0)

0.07 ± 2.39 (−6.75,4.25)

−0.87 ± 3.52 (−9.00,3.75)

0.472*

Spherical equivalent, OS

0.52 ± 2.42 (−6.25,5.50)

0.51 ± 2.80 (−6.00,9.00)

0.10 ± 2.87 (−5.75,5.00)

0.842*

Presence of prematurity (n,%)

31 (64.6 %)

10 (37.0 %)

8 (44.4 %)

0.053†

Presence of seizure (n,%)

3 (6.3 %)

1 (3.7 %)

1 (5.6 %)

0.311†

Presence of PVL (n,%)

10 (76.9 %)

3 (42.9 %)

1 (60.0 %)

 Orthotropia (n,%)

12 (25.5 %)

7 (25.9 %)

5 (27.8 %)

0.983†

 Exotropia (n,%)

22 (46.8 %)

12 (44.4 %)

7 (38.9 %)

0.848†

 Esotropia (n,%)

12 (25.5 %)

7 (25.9 %)

5 (27.8 %)

0.983†

 Exophoria (n,%)

1 (2.1 %)

1 (3.7 %)

1 (5.6 %)

0.775†

Vertical diplopia (n,%)

1 (2.1 %)

3 (11.1 %)

1 (5.2 %)

0.114†

Presence of DVD (n,%)

5 (10.6 %)

2 (8.0 %)

1 (11.1 %)

0.924†