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Table 1 Characteristics of the study cohort (N = 553)

From: External validation of the CURSI criteria (confusion, urea, respiratory rate and shock index) in adults hospitalised for community-acquired pneumonia

  n %
a. Demographics   
Age ≥ 65 years 430 77.8
Sex (female) 246 44.5
b. Comorbidity   
Nursing home residency 145 26.2
Immobility 145 26.2
Congestive heart failure 121 21.9
Cerebrovascular disease 114 20.6
Dementia 170 30.7
Chronic lung disease 159 28.8
Diabetes mellitus 157 28.4
Chronic kidney disease 147 26.6
Neoplastic disease 35 6.3
c. Severity criteria   
Confusion 94 17.0
Urea >7 mmol/L 287 51.9
Respiratory rate ≥30/min 46 8.3
Blood pressure <90/≤60 mm Hg 133 24.1
Shock index >1.0 70 12.7
d. Outcome   
ICU* treatment during hospital stay 58 10.5
30-day mortality 59 10.7
  1. *ICU: intensive care unit.