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Table 2 Characteristics and management of 70 pneumococcal pneumonia cases diagnosed based on an initial comprehensive assessment at admission

From: The efficacy of high-dose penicillin G for pneumococcal pneumonia diagnosed based on initial comprehensive assessment at admission: an observational study

Characteristics Totala
N = 70
Radiological characteristics
 Bilateral infiltrate 15 (21.4)
 Upper lobe infiltrate 10 (14.3)
 Pleural effusion 2 (2.8)
Microbial characteristics
 Gram stain
  GPC dominant (good-quality only)b 24 (34.3)
  GPC dominant (regardless of quality) 41 (58.6)
  Not performed 11 (15.7)
 Urine pneumococcal antigen 47 (67.1)
 Blood culture
  Streptococcus pneumoniae 5 (7.1)
  Streptococcus mitis 1 (1.4)
  Staphylococcus aureus 1 (1.4)
 Presumptive etiology
  Undetermined 17 (24.3)
  Streptococcus pneumoniae 46 (65.7)
  Other pathogens 7 (10.0)c
Pneumonia severity
 Pneumonia severity index
  Total score, median (IQR) 97.5 (77.3–121.0)
  Class 1 5 (7.1)
  Class 2 7 (10.0)
  Class 3 19 (27.1)
  Class 4 26 (37.1)
  Class 5 13 (18.6)
 CURB-65
  Low risk 22 (31.4)
  Intermediate risk 23 (32.9)
  High risk 25 (35.7)
Management during hospital stay
 Penicillin G treatment
  Continuous infusion 65 (92.9)
  Duration, day, median (IQR) 7.0 (4.3–7.0)
  Switch to oral amoxicillin 10 (14.3)
 Macrolide combination 0 (0.0)
 Corticosteroid use 2 (2.9)
 Tracheal intubation 1 (1.4)
 Vasopressor use 1 (1.4)
  1. aValues are shown as numbers (percentages) unless stated otherwise
  2. bSputum specimens were judged to be high quality if there were fewer than 10 squamous epithelial cells and greater than 10 polymorphonuclear cells per low-power field
  3. cThis value includes Haemophilus influenzae (four cases), Staphylococcus aureus (one case), Streptococcus mitis (one case), and Streptococcus agalactiae (one case)