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Table 2 1-year mortality stratified by score points and risk categories

From: Pneumonia severity, comorbidity and 1-year mortality in predominantly older adults with community-acquired pneumonia: a cohort study

Severity score Score points Total Mortality
   (n = 498) n %
CURB-65 0 72 3 4.2
  1 133 14 10.5
  2 177 56 31.6
  3 97 28 28.9
  4 18 5 27.4
  5 1 0 0.0
CRB-65 0 86 4 4.7
  1 248 54 21.8
  2 131 39 29.8
  3 30 8 26.7
  4 3 1 33.3
CCI 0 81 6 7.4
  1 114 14 12.3
  2 94 24 25.5
  3 81 25 30.9
  4 52 11 21.2
  5 43 17 39.5
  6 17 2 11.8
  7 8 3 37.5
  8 5 1 20.0
  9 3 3 100.0
Severity score Score points Total Mortality
   (n = 498) n %
CURB-65 Low risk 205 17 8.3
  Intermediate risk 177 56 31.6
  High risk 116 33 28.4
CRB-65 Low risk 86 4 4.7
  Intermediate risk 379 93 24.5
  High risk 33 9 27.3
CCI Low risk 195 20 10.3
  Intermediate risk 175 49 28.0
  High risk 128 37 28.9
  1. Definition of risk categories:
  2. CURB-65: low risk = 0-1 points, intermediate risk = 2 points, high risk = 3-5 points.
  3. CRB-65: low risk = 0 points, intermediate risk = 1-2points, high risk = 3-4 points.
  4. CCI: low risk = 0-1 points, intermediate risk = 2-3 points, high risk ≥ 3points.
  5. Chi-square test for all associations: p < 0.001.