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Table 3 Cross-tabulation RSI1 and RSI2 categories to outcome

From: The relevance of chest X-ray radiologic severity index and CURB-65 score with the death event in hospitalized patient with COVID-19 pneumonia

  Outcome p PR (95% CI)
Died Alive
RSI1 category
≥ 22.5 (n = 53) 28 (52.8%) 25 (47.2%) 0.004 2.245 (1.287–3.916)
< 22.5 (n = 51) 12 (23.5%) 39 (76.5%)   
RSI2 category
≥ 29.5 (n = 53) 33 (62.3%) 20 (37.7%) 0.000 4.536 (2.210–9.313)
< 29.5 (n = 51) 7 (13.7%) 44 (86.3%)   
  1. PR prevalence ratio