Table 1

Baseline characteristics of patients with autoimmune rheumatic diseases, transplant recipients and matched comparators

Age, mean (SD)Male (%)SES (%)Charlson, mean (SD)Hypertension (%)Rural (%)Previous COVID-19 tests, n (%)
12345
All ARDs* (n=6279)54.3 (18.6)40.424.021.920.218.713.80.7 (1.5)25.66.80.7 (1.3)
ARD matched comparators (n=31 130)53.6 (18.4)40.522.822.420.518.114.90.5 (1.4)20.86.20.5 (1.1)
RA (n=2067)60.1 (18.3)30.127.327.818.617.011.90.8 (1.6)31.67.80.8 (1.3)
RA matched comparators (n=10 197)59.2 (18.2)30.223.522.119.717.815.60.6 (1.5)26.46.50.6 (1.2)
PsO/PsA (n=2695)50.5 (18.4)51.921.421.620.920.214.40.6 (1.4)21.85.90.6 (1.1)
PsO/PsA matched comparators (n=13 406)50.0 (18.3)52.023.022.820.418.714.00.4 (1.2)18.65.60.5 (1.1)
AS (n=529)49.1 (15.7)52.625.116.122.517.417.20.5 (1.3)16.110.20.6 (1.0)
AS matched comparators (n=2631)48.6 (15.6)52.622.420.920.919.315.20.3 (1.1)15.08.70.5 (1.0)
SARDs (n=1118)55.7 (17.5)25.523.920.820.018.715.10.9 (1.6)27.86.10.9 (1.6)
SARD matched comparators (n=5532)54.9 (17.3)25.423.521.921.018.214.00.5 (1.3)20.95.60.6 (1.1)
SLE (n=239)51.3 (15.1)13.022.620.128.917.28.41.0 (1.8)27.69.20.9 (1.6)
SLE matched comparators (n=1187)50.7 (15.1)13.121.821.721.119.414.40.4 (1.2)17.07.20.6 (1.0)
SjS (n=96)56.9 (18.9)10.426.021.913.518.817.70.9 (1.7)25.011.50.8 (1.2)
SjS matched comparators (n=477)56.2 (16.8)10.522.721.420.020.214.50.5 (1.3)22.76.90.6 (0.9)
Systemic sclerosis (n=35)52.0 (18.0)8.640.017.114.311.417.11.1 (1.0)20.00.6 (1.3)
Systemic sclerosis matched comparators (n=173)51.2 (17.3)8.727.222.021.417.911.00.5 (1.2)13.95.20.6 (1.5)
Myositis (n=30)62.3 (15.3)40.030.016.726.710.013.31.0 (1.6)40.01.3 (2.8)
Myositis matched comparators (n=150)61.6 (15.2)40.023.326.720.018.011.30.8 (1.0)27.313.30.7 (1.1)
Adult systemic vasculitides (n=82)64.1 (18.9)35.418.315.925.622.018.31.4 (1.5)41.51.0 (1.8)
Adult systemic vasculitide matched comparators (n=404)63.1 (18.7)35.424.824.019.117.813.10.9 (1.8)33.44.70.7 (1.2)
All transplants (n=222)54.3 (15.7)59.023.428.416.717.112.62.6 (2.2)31.56.31.0 (1.9)
Transplant matched comparators (n=1106)54.0 (15.7)59.224.621.819.717.015.80.5 (1.4)22.95.90.5 (0.9)
  • *All ARDs include rheumatoid arthritis, psoriasis/psoriatic arthritis, ankylosing spondylitis and any systemic autoimmune rheumatic diseases (SARDs).

  • †Unable to be reported due to policy that restricts reporting of small cell sizes.

  • ARD, autoimmune rheumatic disease; AS, ankylosing spondylitis; PsA, psoriatic arthritis; PsO, psoriasis; RA, rheumatoid arthritis; SES, socioeconomic status; SjS, Sjogren’s syndrome; SLE, systemic lupus erythematosus.