Table 1– Clinical characteristics of outpatients
Patients n568
Demographic
 Age yrs47.2±17.6
  Age ≥65 yrs110 (19.4)
 Male301 (53.0)
 Current smoking214 (37.9)
 Current alcohol abuse71 (12.6)
Previous antibiotic139 (25.0)
Influenza vaccine97 (19.6)
Pneumococcal vaccine25 (5.1)
Comorbidity185 (32.6)
 Chronic respiratory disease125 (22.0)
 Neurological disease38 (6.7)
 Diabetes mellitus30 (5.3)
 Chronic cardiovascular disease15 (2.6)
 Chronic liver disease15 (2.6)
 Chronic renal disease4 (0.7)
Bacteraemia21 (5.8)#
Multilobar infiltration36 (6.5)
Pleural effusion30 (6.2)
PSI
 I–III551 (97.0)
 IV17 (3.0)
CURB-65
 0–1538 (94.7)
 230 (5.3)
30-day mortality3 (0.5)
  • Data are presented as mean±sd or n (%), unless otherwise stated. PSI: Pneumonia Severity Index; CURB-65: confusion of new onset, urea >7 mmol·L−1, respiratory rate ≥30 breaths·min−1, blood pressure <90 mmHg systolic or diastolic blood pressure ≤60 mmHg, and age ≥65 yrs. #: percentage was calculated in patients with blood culture (n=362).