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Table 2 Annual hospitalization rates in Spain (2002–2017) for rheumatoid arthritis as the main diagnosis or comorbidity. Annual hospitalization rates per 100,000 inhabitantsa

From: Hospitalization burden and comorbidities of patients with rheumatoid arthritis in Spain during the period 2002–2017

YearRA as main diagnosisRA as comorbidity
Rate95% CIRate95% CI
20027.116.97–7.2524.5024.08–24.92
20038.107.98–8.2226.6726.25–27.10
20047.427.28–7.5527.7927.36–28.22
20057.106.97–7.2431.5731.13–32.02
20065.705.55–5.8532.3731.93–32.82
20074.284.14–4.4333.9033.46–34.34
20084.234.08–4.3735.0034.56–35.44
20093.823.69–3.9637.9937.54–38.44
20103.383.25–3.5239.9939.55–40.44
20113.343.20–3.4743.0842.63–43.53
20122.782.64–2.9043.7143.26–44.15
20132.562.44–2.6845.6645.21–46.11
20142.182.06–2.3048.2147.76–48.66
20152.091.98–2.2150.1249.67–50.57
20162.031.91–2.1553.7453.29–54.19
20171.931.82–2.0554.4554.00–54.91
Total4.154.11–4.1939.7339.62–39.84
  1. aRA rheumatoid arthritis