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Statistically significant improvement of LAZ and weight for age Z-score (WAZ) were observed among the TST-negative participants at the end of intervention period ( p = 0.03 for LAZ and p = 0.01 for WAZ).
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Of the 243 children screened, 29 (11.9%) were TST-positive and 11 (4.5%) had clinically diagnosed pulmonary TB. Multivariable logistic regression was used to find out possible predictors of TST positivity using baseline sociodemographic data. Differences of growth between TST-positives ( n = 29) and TST-negatives ( n = 214) were compared using paired samples t-test and multivariable linear regression from anthropometric data collected before and after nutritional intervention. TB screening as one of the secondary causes of malnutrition was performed on 243 stunted or at-risk of stunting (LAZ score between <-1 and -2 standard deviations) children in a community-based intervention study designed to improve their growth parameters. Our further aim was to explore the determinants of TST positivity at enrollment. Our aim was to examine the growth differences between TST-positive and TST-negative undernourished children aged 12 to 18 months who received nutritional intervention prospectively for 90 feeding days. However, we do not have any data on the role of TST positivity among the children who received nutritional intervention.
#Normal negative tb test pictures skin#
Tuberculin skin test (TST) is a conventionally used diagnostic test, less sensitive but highly specific for the diagnosis of clinical TB especially in undernourished children. Millions of children are suffering from tuberculosis (TB) worldwide and often end-up with fatal outcome especially in resource-poor settings.