Table 1

Demographic characteristics of study populations

CohortStudy partGroupCases (N)Age (years)
(mean±SD)
Gender (males/females), NPositive sputum smears, N%Positive sputum cultures, N%
IBiomarker screeningHC4037.66±13.3818/22NDND
TB4032.36±15.3124/1638 (55.26)25 (84)
PN4037.80±11.5916/2418 (0)12 (0)
LTBI4037.68±11.5627/13NDND
IIModel establishment and testHC8439.90±10.8244/40NDND
TB11634.99±12.7466/5062 (65.23)62 (33.33)
PN8439.98±13.4733/5184 (0)84 (0)
LTBI8436.36±11.5950/34NDND
IIIPredictionHC1935.95±10.569/10NDND
TB3239.94±14.9421/1116(50)13 (40.63)
PN2443.21±12.9615/924 (0)24 (0)
LTBI2740±16.0716/11NDND
  • HC, healthy control; LTBI, latent tuberculosis infection; PN, pneumonia.