Skip to main content

Table 4 Unadjusted bivariate logistic regression analysis of clinical characteristics predictive of smear negative culture positive PTB

From: Sputum smear negative pulmonary tuberculosis: sensitivity and specificity of diagnostic algorithm

Characteristics OR Confidence interval P-value
Resp rate > 20/min 2.5 1.3-4.8 0.005
  < 20/min 1   
Lymphnode None 1   
  Matted 2.8 1.1-7 0.03
  Discrete 1.2 0.5-2.7 0.6
Eosinophilia < 0.4 1   
  > 0.4 0.5 0.2-0.8 0.01
Cavity Abscent 1   
  Present 74 9.2-598 0.0001
  Cavity right mid 11 0.8-139.7 0.06
  Cavity other sites    NS
RBC morphology Normocytic 1   
  Microcytic 0.8 0.4-1.7 0.6
  Macrocytic 0.01 0.000-407516 0.7
  Mixed 2 1.1-3.5 0.003