Table 2 Comparisons of initial laboratory findings between patients with PTB and CAP.
Characteristics | PTB (n = 62) | CAP (n = 215) | P-value |
|---|---|---|---|
Inflammatory markers | |||
WBC count (/μL) | 6625 (5528–9065) | 9190 (6540–13400) | <0.001 |
DNI (%) | 0 (0–0.2) | 1.6 (0.7–2.9) | <0.001 |
CRP (mg/L) | 21.7 (4.2–75.6) | 81.3 (34.8–133.7) | <0.001 |
Microbiological results | |||
Mycobacterium tuberculosis | 46 (74)* | — | NA |
Non-mycobacterial agents | 10 (16) | 144 (67) | <0.001 |
S. pneumoniae | 3/10 | 25/144 | |
H. influenzae | 2/10 | 17/144 | |
M. pneumoniae | — | 4/144 | |
S. pneumoniae + H. influenzae | 5/10 | 47/144 | |
S. pneumoniae + M. pneumoniae | — | 15/144 | |
H. influenza + M. pneumoniae | — | 2/144 | |
S. pneumoniae + H. influenza + M. pneumoniae | — | 17/144 | |
K. pneumoniae | — | 7/144 | |
P. aeruginosa | — | 3/144 | |
S. aureus | — | 3/144 | |
C. pneumoniae | — | 1/144 | |
M. catarrhalis | — | 1/144 | |
B. pertussis | — | 1/144 | |
L. pneumophila | — | 1/144 | |
Viral agents | 3/48 (6) | 35/130 (27) | |
Rhinovirus | 1/3 | 9/35 | |
Metapneumovirus | — | 9/35 | |
Influenza A or B | 2/3 | 7/35 | |
Parainfluenza virus | — | 3/35 | |
Coronavirus | — | 3/35 | |
Respiratory syncytial virus | — | 3/35 | |
Influenza A + Respiratory syncytial virus | — | 1/35 | |
