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Table 3 Relationship between work productivity and disease activity and functional ability in patients with early axSpA

From: Work productivity is associated with disease activity and functional ability in Italian patients with early axial spondyloarthritis: an observational study from the SPACE cohort

 

R 2

ß-estimated

95 % CI

Absenteeism

 ASDAS

0.30

6.08

2.8–10.8

 BASDAI

0.29

2.65

1.1–4.3

 BASFI

0.51

4.32

2.9–5.8

Presenteeism

 ASDAS

0.28

16.04

7.1–25.0

 BASDAI

0.25

5.80

2.2–9.4

 BASFI

0.16

4.62

0.4–8.9

Work productivity loss

 ASDAS

0.36

18.86

10.8–27.0

 BASDAI

0.34

7.12

3.9–10.4

 BASFI

0.29

7.31

3.6–11.1

  1. Data are adjusted for age, gender, human leucocyte antigen (HLA)-B27 positivity and duration of chronic back pain. axSp, axial spondyloarthritis, ASDAS Ankylosing Spondylitis disease activity score, BASDAI Bath Ankylosing Spondylitis Disease Activity Index, BASFI Bath Ankylosing Spondylitis Functional Index, CI confidence interval