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Table 4 Intraclass correlation coefficients in the overall and zone-specific lung evaluation

From: Chest x-ray severity score in COVID-19 patients on emergency department admission: a two-centre study

  Intraclass correlation coefficients
Overall p Centre 1 p Centre 2 p
All lung zones 0.639 (0.417–0.769) < 0.001 0.757 (0.611–0.840) < 0.001 0.783 (0.736–0.825) < 0.001
Upper right zone 0.564 (0.421–0.671) < 0.001 0.604 (0.505–0.686) < 0.001 0.656 (0.590–0.717) < 0.001
Middle right zone 0.607 (0.483–0.701) < 0.001 0.573 (0.426–0.682) < 0.001 0.697 (0.636–0.752) < 0.001
Lower right zone 0.512 (0.360–0.629) < 0.001 0.400 (0.006–0.640) < 0.001 0.613 (0.542–0.679) < 0.001
Upper left zone 0.475 (0.327–0.595) < 0.001 0.532 (0.377–0.649) < 0.001 0.558 (0.481–0.631) < 0.001
Middle left zone 0.651 (0.570–0.718) < 0.001 0.700 (0.621–0.765) < 0.001 0.705 (0.633–0.751) < 0.001
Lower left zone 0.574 (0.473–0.658) < 0.001 0.538 (0.121–0.743) < 0.001 0.636 (0.568–0.700) < 0.001
  1. Values in parentheses represent the lower and upper 95% confidence interval