Helper 1 T-Lymphocyte Subpopulation to Helper T-Lymphocyte Ratio Measurement

**Semantic type:** Laboratory Procedure

**Definition:** The determination of the ratio of T-lymphocytes helper 1 sub-population to T-lymphocytes helper present in a sample. The measurement may be expressed as a ratio or percentage.

**Synonyms:** - T-Lymphocytes Helper 1 Sub-Population/T-Lymphocytes Helper - TH1STH - TLym Help 1 Sub/TLym Help - TLym Help 1 Sub/TLym Helper