Fig. 2From: Association between tuberculosis, diabetes and 25 hydroxyvitamin D in Tanzania: a longitudinal case control studyCategorical scatter plot representing the longitudinal evolution of vitamin D level between baseline and follow-up. Bars represent the 25th percentiles, the median and the 75th percentiles. The difference between enrolment and follow-up was tested with Wilcoxon-Mann-Whitney test. Abbreviation: TB: tuberculosisBack to article page