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Table 4 Comparison of individual CSS item scores to number one caregiver concern

From: Top caregiver concerns in Rett syndrome and related disorders: data from the US natural history study

  

Number 1 concern

  

Communication

(n = 226, 35.3%)

Seizures

(n = 81, 12.6%)

Hand Use

(n = 35, 5.5%)

  

CSS score

(n, %)

CSS score

(n, %)

CSS score

(n, %)

CSS Language

0—Preserved, contextual

0 (0.0%)

1 (1.2%)

0 (0.0%)

1—Short phrases only

2 (0.9%)

1 (1.2%)

0 (0.0%)

2—Single words

26 (11.5%)

5 (6.2%)

0 (0.0%)

3—Vocalization, babbling

140 (61.9%)

41 (50.6%)

27 (77.1%)

4—Screaming, no utterances

58 (25.7%)

33 (40.7%)

8 (22.9%)

CSS Seizures

0—Absent

126 (55.8%)

1 (1.2%)

23 (65.7%)

1— < Monthly

42 (18.6%)

10 (12.3%)

4 (11.4%)

2— < Weekly to monthly

21 (9.3%)

10 (12.3%)

4 (11.4%)

3—Weekly

15 (6.6%)

22 (27.2%)

2 (5.7%)

4—More than weekly

10 (4.4%)

10 (12.3%)

1 (2.9%)

5—Daily (intractable)

12 (5.3%)

28 (34.6%)

1 (2.9%)

CSS Hand Use

0—Conserved

29 (12.8%)

3 (3.7%)

4 (11.4%)

1—Acquired on time, partially conserved

37 (16.4%)

7 (8.6%)

7 (20.0%)

2—Acquired late, partially conserved

25 (11.1%)

7 (8.6%)

1 (2.9%)

3—Acquired and lost

120 (53.1%)

56 (69.1%)

20 (57.1%)

4—Never acquired

15 (6.6%)

8 (9.9%)

3 (8.6%)

  1. Legend: The First Caregiver Concern for Classic RTT is shown along the top, with the number (and percentage) of caregivers listing the concern presented (out of a total of n = 641 participants). The CSS items assessing Language, Seizures, and Hand Use is presented on the left side of the table, with increasing CSS item scores representing increased severity (as shown in the description of the score levels). The number (and percentage) of CSS item scores for each First Concern is presented within the cells. The total numbers and percentages sum within each First Concern within the column for each CSS item