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Table 1 Sample Details for Psychometric and Scaling Data

From: Translation and validation of non-English versions of the Ankylosing Spondylitis Quality of Life (ASQOL) questionnaire

  

US (N = 148)

Canadian English

(N = 66)

Canadian French

(N = 16)

French

(N = 18)

German

(N = 37)

Italian

(N = 22)

Spanish

(n = 24)

Swedish

(n = 9)

Gender

Male (%)

111 (75.0)

51 (77.3)

14 (87.5)

12 (66.7)

26 (70.3)

16 (72.7)

19 (79.2)

8 (88.9)

 

Female (%)

37 (25.0)

15 (22.7)

2 (12.5)

6 (33.3)

11 (29.7)

6 (27.3)

5 (20.8)

1 (11.1)

Age

Mean (SD)

44.7 (12.5)

39.82(10.5)

45.3 (12.0)

35.7 (8.0)

41.9 (11.8)

40.7 (10.8)

38.0 (9.0)

37.6 (9.1)

 

Median (IQR)

46.0

(34.0–55.0)

41.0

(32.0–45.0)

44.5

(38.3–53.8)

34.5

(30.3–42.0)

42.0

(33.0–52.5)

44.0

(34.5–49.0)

8.6

(5.7 – 17.1)

36.0

(30.5 – 45.5)

 

Range

18.0–71.0

18.0–69.0

28.0–69.0

25.0–55.0

23.0–62.0

21.0–58.0

3.3 – 37.4

24.0 – 52.0

Disease duration

Mean (SD)

11.0 (10.3)

12.3 (7.5)

17.0 (7.5)

9.3 (8.0)

9.7 (9.1)

9.2 (9.4)

12.2 (8.9)

11.4 (9.4)

 

Median (IQR)

7.6

(2.4–18.3)

11.6

(5.4–18.1)

16.3

(10.3–22.6)

9.8

(4.3–13.7)

6.2

(1.9–15.4)

4.9

(1.2–18.3)

8.6

(5.7 – 17.1)

11.7

(0.5 – 19.8)

 

Range

0.1–48.4

0.2–40.3

5.2–30.1

0.2–17.4

0.2–35.3

0.1–28.4

3.3 – 37.4

0.1 – 25.3

  1. IQR = interquartile Range: the distance between the 75th percentile and the 25th percentile.