Table 4 Adjusted odds ratios for the autoimmune rheumatic disease group overall and disease subgroups ^a

Autoimmune rheumatic diseases

1,409

1.44 (1.26 to 1.65)

1.44 (1.25 to 1.66)

1.82 (1.61 to 2.05)

1.71 (1.51 to 1.94)

Rheumatoid arthritis

666

1.50 (1.24 to 1.81)

1.51 (1.24 to 1.84)

2.00 (1.69 to 2.35)

1.85 (1.57 to 2.19)

Systemic lupus erythematosus

93

2.81 (1.71 to 4.62)

2.77 (1.65 to 4.64)

2.57 (1.60 to 4.13)

2.14 (1.30 to 3.51)

Psoriatic arthropathies

25

2.61 (1.14 to 5.97)

3.19 (1.40 to 7.27)

2.33 (1.09 to 4.97)

2.59 (1.19 to 5.63)

Ankylosing spondylitis

38

2.14 (1.13 to 4.08)

2.01 (1.02 to 3.95)

2.11 (1.16 to 3.82)

1.98 (1.08 to 3.66)

Spondyloarthritis^c

63

2.19 (1.30 to 3.67)

2.26 (1.32 to 3.86)

2.11 (1.31 to 3.39)

2.10 (1.29 to 3.42)

Systemic sclerosis

61

1.78 (0.95 to 3.33)

1.53 (0.78 to 3.03)

2.58 (1.48 to 4.48)

1.85 (1.03 to 3.34)

Systemic necrotising vasculitides

174

1.37 (0.95 to 1.98)

1.24 (0.84 to 1.84)

1.87 (1.35 to 2.60)

1.73 (1.25 to 2.41)

Sjögren’s syndrome

17

1.27 (0.42 to 3.86)

1.03 (0.30 to 3.57)

0.90 (0.32 to 2.53)

0.57 (0.16 to 1.97)

Polymyalgia rheumatica

239

0.96 (0.70 to 1.32)

1.01 (0.73 to 1.40)

1.25 (0.95 to 1.63)

1.38 (1.05 to 1.81)

Mixed connective tissue disease

19

0.78 (0.22 to 2.76)

0.95 (0.27 to 3.36)

2.96 (1.16 to 7.56)

2.06 (0.79 to 5.37)

Dermatomyositis/polymyositis

25

0.25 (0.03 to 1.95)

0.32 (0.04 to 2.42)

2.40 (0.93 to 6.19)

2.45 (0.95 to 6.31)