Table 4– Characteristics of pulmonary tuberculosis patients with serum procalcitonin (PCT) levels ≥0.5 or <0.5 ng·mL−1
PCT ≥0.5 ng·mL−1PCT <0.5 ng·mL−1p-value
 Patients n993
 Age yrs72.7±9.571.4±19.30.4973
 Males/females n4/559/340.2975
Laboratory test
 PCT ng·mL−11.64±0.700.08±0.07<0.0001
 CRP mg·dL−116.95±4.905.14±4.71<0.0001
 WBC 109 cells·L−19.02±3.267.76±3.110.2451
 Neutrophils 109 cells·L−18.29±3.006.00±3.040.0181
 Lymphocytes 109 cells·L−10.38±0.201.11±0.730.0001
PORT score121.6±25.886.5±34.60.0033
Disseminated tuberculosis5 (55.6)7 (7.5)0.0009
Death within 60 days6 (66.7)6 (6.5)<0.0001
  • Data are presented as mean±sd or n (%), unless otherwise stated. CRP: C-reactive protein; WBC: white blood cell count; PORT: Pneumonia Patients Outcome Research Team.