DIFFERENTIAL DIAGNOSTIC TECHNIQUE FOR RESPIRATORY SARCOIDOSIS AND TUBERCULOSIS IN MALES Russian patent published in 2014 - IPC G01N33/48 

FIELD: medicine.

SUBSTANCE: invention represents a differential diagnostic technique for respiratory sarcoidosis and tuberculosis in males by biological fluid analysis; the technique involves measuring an amount of progesterone in the primary examination, and determining a probability coefficient P by formula $$Р=\frac{1}{{е}^{-(\mathrm{3,243942}-\mathrm{0,8692291}\times {Х}_1)}+1},$$ wherein P is the probability coefficient showing if a binary response takes on a value of 1; e is a base of the natural logarithm equal to approximately 2.718282; 3.243942 is a shifting coefficient that we have obtained; (-0.8692291) is a slope coefficient that we have obtained; X1 is the progesterone level in the specific patient, nmole/l; if P is more than 0.61, the patient is referred to a group of those suffering from active tuberculosis; if P is below 0.61 - to the group of patients suffering from respiratory sarcoidosis.

EFFECT: more reliable and objective diagnosis for the purpose of prescribing timely treatment and carrying out the adequate complex of therapeutic measures, simplifying the differential diagnosis of tuberculosis and respiratory sarcoidosis.

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