Table 2
Before matchingAfter matching
Autoinflammatory diseases (n=117)non-Autoinflammatory diseases (n=1545)Effect size
(95% CI)
P-valueAutoinflammatory diseases (n=116)non-Autoinflammatory diseases (n=116)Effect size
(95% CI)
P-value
Severity of COVID-19 Infection
 Mild90 (76.9)1025 (66.3)1.00 (ref)0.06489 (76.7)92 (79.3)1.00 (ref)0.86
 Moderate17 (14.5)347 (22.5)0.56 (0.33 to 0.95)17 (14.7)16 (13.8)1.10 (0.52 to 2.31)
 Severe10 (8.6)173 (11.2)0.66 (0.34 to 1.29)10 (8.6)8 (6.9)1.29 (0.49 to 3.42)
Length of hospital stay (days),
 median (IQR)8 (4 to NA)10 (5 to 22)0.83 (0.51 to 1.36)0.458 (4 to NA)11 (4 to NA)0.99 (0.52 to 1.88)0.96
 Death6 (5.1)79 (5.1)1.00 (0.43 to 2.35)0.996 (5.2)5 (4.3)1.21 (0.36 to 4.08)0.76
  • Values are presented as no./total no. (percentage) unless otherwise indicated.

  • Matching on age+/- 7 years, sex and number of comorbidities. A 5-year-old male patient with asthma in autoinflammatory disease could not be matched with a control