Skip to main content

Table 1 Cohort characteristics

From: Minimal important improvement thresholds for the six-minute walk test in a knee arthroplasty cohort: triangulation of anchor- and distribution-based methods

 

Randomised cohort

n = 166

Observational cohort

n = 77

Entire cohort

n = 243

Age, yrs, mean (sd)

67.0 (8.3)

66.7 (8.7)

66.9 (8.4)

Gender, female, n (%)

112 (68)

35 (45)

147 (61)

Body mass index, mean (sd)

34.7 (7.0)

33.0 (7.2)

34.2 (7.1)

Baseline 6-min walk test, mean (sd)

319.1 (109.1)

329.5 (114.0)

322.4 (110.6)

Baseline Oxford Knee Score

17.0 (7.1)

17.6 (7.7)

17.2 (7.3)

Comorbidity, yes, n (%)

127 (77)

53 (69)

180 (75)

 Cardiovascular

116 (70)

47 (61)

163 (67)

 Gastrointestinal

53 (32)

11 (14)

64 (26)

 Other lower limb or back

43 (26)

21 (27)

64 (26)

 Diabetes Mellitus

38 (23)

18 (23)

56 (23)

 Respiratory

21 (13)

10 (13)

31 (13)

  1. Key: Five most common comorbidities shown