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Table 2 Patient reported baseline characteristics of chiropractic patients in three European countries

From: Low back pain patients in Sweden, Denmark and the UK share similar characteristics and outcomes: a cross-national comparison of prospective cohort studies

 

Sweden, n = 262

Denmark, n = 947

UK, n = 453

Females, % (95 % CI)

48 % (42 %–54 %)

45 % (42 %–48 %)

47 % (42 %–51 %)

Age years*, median (IQR)

44 (35–52)

43 (34–53)

41 (34–49)

Any previous LBP episodes*, % (95 % CI)

NA

84 % (81 %–86 %)

88 % (85 %–91 %)

≥3 previous LBP episodes*, % (95 % CI)

48 % (42 %–54 %)

49 % (45 %–52 %)

NA

More than 30 LBP days last year*, % (95 % CI)

56 % (50 %–62 %)

25 % (22 %–28 %)

37 % (32 %–41 %)

Sick leave#, % (95 % CI)

18 % (14 %–24 %)

22 % (20 %–25 %)

27 % (23 %–31 %)

within last year

within last month

current sick leave

Episode duration*, % (95 % CI)

NA

  

0-2 weeks

 

62 % (59 %–66 %)

49 % (45 %–54 %)

2 weeks–3 months

 

24 % (21 %–27 %)

34 % (30 %–39 %)

More than 3 months

 

13 % (11 %–16 %)

17 % (14 %–21 %)

LBP intensity (0–10)*, median (IQR)

4 (3–6)

7 (5–8)

6 (5–8)

Leg pain*, % (95 % CI)

51 % (45 %–57 %)

58 % (55 %–61 %)

45 % (40 %–49 %)

  1. *Significant association with country (p < .05)
  2. #Because of different timing differences were not tested for statistical significance
  3. CI confidence interval, IQR interquartile range, NA not available