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. 2021 May 19;16:227. doi: 10.1186/s13023-020-01659-3

Table 2.

Gain and loss of developmental milestones in CD patients: study cohort versus literature

Milestones of psychomotor development Patients who gained function, n (N) percentage Patients who lost function, n (N) percentage Age of gain, median (range), mo Age of loss, median (range), mo Normal age of gain (DDST II), ranges, mo Patients who gained function, Traeger et al., n (N) percentage Patients who lost funktion, Traeger et al., n (N) percentage Age of gain, Traeger et al., median (range), mo Age of loss, Traeger et al., median (range), mo
Hearing/Vision
Visual tracking

12/23

52%

7/23

30%

4 (0–15) 14 (1–132) 0–4

33/59

56%

10/59

17%

4 (1–18) 12 (4–44)
Hearing

23/23

100%

0/23

0%

0 (0–0) 0
Gross Motor Skills
Head control

6/23

26%

2/22

9%

6 (2–10) 6 (6–6) 1.5–4

11/59

19%

8/59

14%

6 (1–24) 11.5 (2–180)
Rolling over

9/23

39%

7/22

32%

6 (2–12) 11 (4–120) 4.25–5.5

17/59

29%

7/59

12%

6 (2–24) 11.5 (6–72)
Sitting with support

6/23

26%

2/23

9%

5.5 (4–8) 15 (6–24)
Sitting without support

2/23

9%

1/23

4%

11.5 (11–12) 120 6.75–8

1/59

2%

1/59

2%

10 60
Crawling 0/22

1/59

2%

1/59

2%

10 72
Standing with support

1/23

4%

1/22

5%

13 132 6.75–10.5
Standing without support 0/23 11.25–16
Walking with support

3/23

13%

2/23

9%

18 (15–19) 84 (36–132)
Walking 0/23 12.25–16
Fine Motor Skills
Reaching for an object

7/22

30%

2/22

9%

7 (4–10) 69 (6–132) 3.5–6
Voluntary hand function

7/23

30%

1/22

5%

7 (1–18) 6
Transfer an item

5/23

22%

4/23

17%

9 (4–18) 31 (6–132) 5–8.75
Scribbling/drawing

3/23

13%

2/23

9%

9 78 (24–132) 12.25–21
Language/Other
Imitating noises

3/22

13%

2/22

9%

11 (10–12) 96 (60–132) 6.5–12.75
Squealing /babbling

5/16

31%

2/15

13%

8 (4–55) 156 (132–180) 1.5–3.75

10/59

17%

0/59 5 (1–18)
Understand language

11/23

48%

1/22

5%

11 (7–24) 7
Reactive smiling

7/11

64%

2/11

18%

5 (1–14) 205.5 (132–281) 0–1.5

43/60

72%

4/60

7%

3 (0–36) 13.5 (4–150)
Communicate

8/22

36%

1/22

5%

11 (4–24) 180*
Single words

3/23

13%

2/23

9%

24 (12–24) 93.5 (48–139) 10–14.5

2/59

3%

1/59

2%

23.5 (11–36) 180
Single sentences 0/23
Count to five

1/23

4%

1/23

4%

60* 132*
Independent eating

2/23

9%

0/23 11
Toilet trained 0/23