Table 1 Demographic and clinical features of patients (n = 410)
Variable | Number (%) |
|---|---|
Age (years) | |
  < 40 | 6.6 (27/410) |
 40–59 | 33.4 (137/410) |
 60–79 | 44.1 (181/410) |
  ≥ 80 | 15.9 (65/410) |
Gender | |
 Female | 28.8 (118/410) |
 Male | 71.2 (292/410) |
Specimens | |
 Sputum | 88.3 (362/410) |
 Wound discharge | 4.1 (17/410) |
 BALF | 1.5 (6/410) |
 Whole blood | 1.2 (5/410) |
 Pus | 1.0 (4/410) |
 Urine | 0.7 (3/410) |
 Central venous catheters | 0.7 (3/410) |
 Nasopharyngeal swab | 0.7 (3/410) |
 Drainage | 0.7 (3/410) |
 Hydrothorax and ascites | 0.5 (2/410) |
 Cerebrospinal fluid | 0.5 (2/410) |