Table 1 Characteristics of children with bilateral CP standing with (CP-SwS) or without (CP-SwoS) support. No significant differences were found between groups in any parameter

Age, mean (SD) years

11.8 (2.7)

11.3 (3.4)

Female/male

8/11

8/9

Height, mean (SD), cm

147.8 (13.7)

139.5 (18.0)

Weight, mean (SD), kg

44.5 (15.5)

36.9 (13.3)

Gestational age, wk

  ≤ 29

4

2

 30–36

7

9

  ≥ 37

6

4

 Unknown

2

2

GMFCS level:n

I:5, II:12, III:2

II:1, III:13, IV:3

 Visual acuity < 0.33

1/17

1/16

 Reduced visual field (hard to assess)

4 (1)/16

1 (7)/16

 Dysmetric saccadic movements

11/16

11/16

 Reduced stereopsis

8/16

11/16

 Altered smooth pursuit movements

9/16

10/16

 Strabismus

7/16

11/16

 Instable fixation

3/15

5/15