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Table 2 Patient characteristics based on information from the medical records review

From: Development of a health care utilisation data-based index for rheumatoid arthritis severity: a preliminary study

 

N (%) or mean (SD)

Age, years

70.6 (11.1)

No of rheumatology visits

3.0 (2.1)

Male

109 (91)

ACR functional classification

 

   Class I (no limitation)

93 (78)

   Class II (self-care, working, no hobbies)

8 (7)

   Class III (self care, not working, no hobbies)

6 (5)

   Class IV (limited self care, bed-bound)

4 (3)

Ambulatory status

 

   Independent

79 (66)

   With device

25 (21)

   Wheelchair

5 (4)

Morning stiffness, hours

 

   <1

70 (58)

   1 to 4

25 (21)

   >4

8 (7)

Flares

 

   0

65 (54)

   1

22 (18)

   1 to 4

11 (9)

   5+

3 (3)

Hospitalised

7 (6)

Swollen joints

64 (53)

Rheumatoid nodules

41 (34)

Vasculitis

1 (1)

Physician global: poor

7 (6)

Patient global: poor

11 (9)

Employed out of home

10 (8)

Received intraarticular injections

11 (9)

Received intramuscular injections

1 (1)

Presence of C1–C2 subluxation

2 (2)

Joint space narrowing

74 (62)

Joint erosions

61 (51)

Pulmonary nodule

11 (9)

RARBIS score (with medication sub-scale)

4.4

RARBIS score (without medication sub-scale)

3.0

  1. ACR, American College of Rheumatology; RARBIS, rheumatoid arthritis records-based index of severity.