Number ratio (num.ratio)
Synonym |
Chemical amount | ||
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Abbreviation |
Num.ratio | ||
Definition in words |
Number of component F divided by number of component G in system 1 Note 1: Component B is the quotient of component F and component G. Note 2: Component F ≠ Component G (≠ means “not equal to”) Note 3: Component F ∉ Component G (∉ means “is not an element of”) |
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Definition by equation |
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Systematic terms
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Number ratio of component B in system 1 | ||
Result type |
Rational scale |
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Numerical values from 0-∞ |
Unit |
10-6, 10-3, 1 (one), 103, 106, etc. The unit “1” (one) is ommited in the NPU syntax. |
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Reference |
Ferard G, Dybkaer R, Fuentes-Arderiu X. Compendium of Terminology and Nomenclature of Properties in Clinical Laboratory Sciences : Recommendations 2016. 1 ed: Royal Society of Chemistry; 2016. 182 p. doi:10.1039/9781782622451. |
Laboratory field |
Examples |
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Clinical Chemistry |
Example 1 | |
Generic abbreviated form |
NPU56123 B—Erythroblasts/Leukocytes; num.ratio = ? |
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Full form with a result |
NPU56123 Blood—Erythroblasts/Leukocytes; number ratio = 0.01
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Abbreviated form with a result | NPU56123 B—Erythroblasts/Leukocytes; num.ratio = 0.01 | |
Written expression | The number ratio of Erythroblasts/Leukocytes in Mr. Smith’s blood is [0.01] | |
Equation
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Example 2 | ||
Generic abbreviated form |
NPU58222 B—Neutrophils/Lymphocytes; num.ratio = ?
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Full form with a result |
NPU58222 Blood—Neutrophils/Lymphocytes; number ratio = 1.65
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Abbreviated form with a result | NPU58222 B—Neutrophils/Lymphocytes; num.ratio = 1.65 | |
Written expression | The number ratio of Neutrophils/Lymphocytes in Mr. Smith’s blood is [1.65] | |
Equation |
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Clinical Immunology |
Example 3
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Generic abbreviated form |
NPU21856 Lymcs(B)—T-lymphocytes(helper/cytotox); number ratio = ?
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Full form with a result |
NPU21856 Lymphocytes(Blood)—T-lymphocytes(helper/cytotox); number ratio = ?
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Abbreviated form with a result |
NPU21856 Lymcs(B)—T-lymphocytes(helper/cytotox); number ratio = ?
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Written expression | The number ratio of T-lymphocytes(helper/cytotox) in Mr. Smith’s blood is [?] | |
Equation | ||
Example 4 | ||
Generic abbreviated form |
NPU56977 Lymcs(BAL)—T-lymphocytes(helper/cytotox); number ratio = ?
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Full form with a result |
NPU56977 Lymphocytes(Bronchoalveolar Lavage Fluid)—T-lymphocytes(helper/cytotox); number ratio = ?
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Abbreviated form with a result | NPU56977 Lymcs(BAL)—T-lymphocytes(helper/cytotox); number ratio = ? | |
Written expression | The number ratio of T-lymphocytes(helper/cytotox) in Mr. Smith’s Bronchoalveolar Lavage Fluid is [?] | |
Equation | ||
Reference |
NPU database, https://www.ifcc.org/ifcc-scientific-division/sd-committees/c-npu/npusearch/ and http://www.labterm.dk/default.aspx |
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Kind-of-property
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Nominal kind-of-property
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Kind-of-quantity
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Unitary kind-of-quantity
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Rational unitary kind-of-quantity
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Number ratio
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Reference |
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Date | Term | Note |
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1996-01-01 | Number ratio | Term established |
NPU term identifier |
QU71685 |