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Table 1 JIA patients’ baseline characteristics

From: Safety of the BNT162b2 mRNA COVID-19 vaccine in children and adolescents with juvenile idiopathic arthritis: a tertiary-center early experience

Characteristics

N = 36 patients

95% CI

Age (years), mean (SD)

13.3 (3.1)

 

Females

24 (66.7%)

50.5–80.3

JIA subtype

 Oligo-articular JIA

12 (33.3%)

19.7–49.5

 Poly-articular JIA

10 (27.8%)

15.3–43.7

 Systemic JIA

8 (22.2%)

11.1–37.6

 ERA

5 (13.9%)

5.5–27.8

 Psoriatic arthritis

1(2.8%)

0.3–12.3

 Disease duration (years), median (range)

4.5 (0.3–11.0)

 

Medications

 NSAIDs

5 (13.9%)

5.5–27.8

 Methotrexate

15 (41.7%)

26.7–57.9

 Cyclosporine

2 (5.6%)

1.2–16.6

 Adalimumab

11 (30.6%)

17.4–46.7

 Etanercept

7 (19.4%)

9.1–34.4

 Anakinra

1 (2.8%)

0.3–12.3

 Tocilizumab

4 (11.1%)

3.9–24.3

 Infliximab

1 (2.8%)

0.3–12.3

 Off medications

7 (19.4%)

9.1–34.4

Associated comorbidity

8 (22.2%)

11.1–37.6

 Obesity

1 (2.8%)

0.3–12.3

 IDDM

1 (2.8%)

0.3–12.3

 Hypothyroidism

1 (2.8%)

0.3–12.3

 ADHD

1 (2.8%)

0.3–12.3

 Short stature

1 (2.8%)

0.3–12.3

 IBD

1 (2.8%)

0.3–12.3

 Hyperlipidemia

1 (2.8%)

0.3–12.3

 HIV

1 (2.8%)

0.3–12.3

 Previous COVID-19 infection

5 (13.9%)

5.5–27.8

 COVID-19 infection after vaccination

3 (8.3%)

2.4–20.6

  1. Abbreviations: ADHD Attention deficit hyperactivity disorder, COVID-19 Coronavirus disease 2019, ERA Enthesitis-related arthritis, HIV Human immunodeficiency virus, IBD Inflammatory bowel disease, IDDM Insulin-dependent diabetes mellitus, JADAS-10 Juvenile Arthritis Disease Activity Score-10, JIA Juvenile idiopathic arthritis, NSAIDs Non-steroidal anti-inflammatory drugs, SD Standard deviation