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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.