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From:
Published online 2011 November 1. doi: 10.1186/1756-0500-4-475

Table 5

Multivariate analysis of clinical characteristics predictive of smear negative culture positive PTB

CharacteristicsORConfidence intervalP-value
Respiratory rate> 20/min2.41.2-4.40.0054
< 20/min1
Eosinophilia< 0.41
> 0.40.50.2-0.80.0094
CavityAbscent1
Present74.39.4-5870.0000
RBC morphologyNormocytic1
Microcytic0.80.4-1.70.6
Macrocytic0.010.000-391711930.69
Mixed21.2-3.70.01