Table 1—

Clinical factors in patients with CAP

Admission glucose (mmol/l)
≤6.16.11–11.011.01–13.99≥14.0
n8241,368132147
Demographics
    Age (median)71767773
    Male (%)52534850
    Nursing home resident (%)12172316
Comorbidities
    Prior history of diabetes (%)7125274
    Altered mental status (%)15141719
    Neoplasm (%)10963
    Liver disease (%)5321
    Congestive heart failure (%)15192719
    Cerebrovascular disease (%)710118
    Renal disease (%)14131716
    Number of medications reported [median (IQR)]4 (2–6)5 (3–7)6 (3–8)5 (3–7)
At presentation
    Temperature <35 or ≥40°C1223
    Heart rate ≥125 bpm11141819
    Respiratory rate ≥30/min20303831
    Oxygen saturation ≤89%29323739
    Systolic blood pressure <90 mmHg3123
    Sodium <130 mmol/l6659
    Hematocrit <0.301110610
    Blood urea nitrogen ≥11 mmol/l21232527
  • The above factors are components of the Pneumonia Severity Index (13) (except number of medications prior to admission and prior history of diabetes). IQR, interquartile range (25th–75th percentile).