Table 1

Demographic and clinical characteristics of patients with pneumococcal infection

CharacteristicNo. of patients/total no. (%) (n = 2,100)
Type of infection
    Pneumonia1,680 (80.0)
    Acute sinusitis108 (5.1)
    Meningitis102 (4.9)
    Primary bacteremia67 (3.2)
    Acute otitis media54 (2.6)
    Empyema17 (0.8)
    Abscess17 (0.8)
    Peritonitis10 (0.5)
    Other45 (2.1)
Concomitant bacteremia284 (13.5)
Underlying disease
    Pulmonary disease337/1,656 (20.4)
    Cerebrovascular disease134/1,631 (8.2)
    Solid tumor146/1,643 (8.9)
    Hematologic malignancy30/1,630 (1.8)
    Chronic renal disease79/1,637 (4.8)
    Chronic liver disease70/1,653 (4.2)
    Cardiovascular disease108/1,633 (6.6)
    Diabetes mellitus225/1,649 (13.6)
Comorbid condition
    Smoking389/1,540 (25.3)
    Corticosteroid use49/1,603 (3.1)
    Immunosuppressant use12/1,599 (0.8)
    Neutropenia23/1,599 (1.4)