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Table 2 Relationship between self-reported osteoarthritis severity and functional ability in performance of activities of daily living

From: Relationship between patient-reported disease severity in osteoarthritis and self-reported pain, function and work productivity

Functional measure

Functional Score at Each Level of OA Severity

(95% confidence interval)*

 

Mild

Moderate

Severe

Basic activities of daily living

   

   Dressing, including shoelaces and buttons

1.23 (1.16, 1.30)

1.44 (1.38, 1.50)

1.81 (1.70, 1.92)

   Washing hair

1.13 (1.06, 1.20)

1.30 (1.25, 1.36)

1.53 (1.43, 1.63)

   Rising from chair

1.34 (1.26, 1.41)

1.72 (1.65, 1.79)

2.11 (2.00, 2.23)

   Getting in and out of bed

1.35 (1.27, 1.42)

1.70 (1.64, 1.76)

1.99 (1.88, 2.10)

   Walking on flat ground

1.23 (1.16, 1.30)

1.59 (1.52, 1.65)

2.16 (2.05, 2.27)

   Climbing five steps

1.43 (1.34, 1.51)

2.04 (1.96, 2.11)

2.49 (2.37, 2.62)

   Washing and drying

1.09 (1.03, 1.15)

1.25 (1.20 (1.30)

1.52 (1.43, 1.60)

   Taking a bath

1.23 (1.13, 1.32)

1.48 (1.40, 1.56)

1.92 (1.78, 2.06)

   Toileting

1.17 (1.11, 1.24)

1.55 (1.49, 1.61)

1.88 (1.78, 1.98)

Instrumental activities of daily living

   

   Shopping

1.20 (1.13, 1.28)

1.56 (1.49, 1.62)

2.04 (1.92, 2.15)

   Getting in and out of a car

1.25 (1.83, 1.33)

1.73 (1.67, 1.79)

2.15 (2.04, 2.26)

   Performing chores (for example, vacuuming or gardening)

1.39 (1.30, 1.48)

2.00 (1.92, 2.08)

2.64 (2.50, 2.77)

  1. Response options: 1-without any difficulty, 2-with some difficulty, 3-with much difficulty, 4-unable to do.
  2. *All pairwise comparisons of arthritis severity categories were statistically significant (P < 0.05).