Your doctor can order this test to find out if you have tuberculosis (TB) or another type of bacterial infection. TB was very common at one time. However, it’s now rare in the United States. According ...

Qualitative data were compared by the χ 2 test, and quantitative data were analyzed using Pearson correlation. All differences were considered significant when the ...

A sputum stain for Mycobacteria is a laboratory test performed on a sample of your sputum, or phlegm. It’s also known as an acid-fast bacillus (AFB) stain or a tuberculosis (TB) smear. A doctor ...