Figure 3. The level of total lymphocyte and T cell count in TST Positive and negative subjects.

The level of total lymphocytes (a), CD3 count (b), CD4 count (c) were significantly low in TST negatives than TST positives whereas CD8 count (d) was not significantly different. Box and Whisker plots show range, inter-quartile range and median. TST – Tuberculin skin test, * significant difference p<0.05 by Mann-Whitney U test.