HDL / LDL Cholesterol ratio
Name hdl_ldl_ratio_gprd
Chapter Endocrine, nutritional, metabolic/Lipids
Definition
Reported HDL/LDL ratio from either plasma or serum cholesterol test.
Data Type Continuous
Data sources GPRD
Repeated Yes
Range (min/max) 0.001-0.999
Valid event date range 01/01/1900 - 25/03/2010
Agreed 14.3.2011, revised 17.5.2011 (Revision 1)
Implementation
Apply out-of-range filter first.

IF Read code on HDL/LDL ratio code list AND

IF enttype = 288 or 338 AND data1 = 3 AND data3 = ratio or 1/1 or % or not recorded,

then HDL_LDL_ratio = data2

ELSE HDL_LDL_ratio= missing
Codelist version1
Codelist authorsJulie George, Emily Herrett, Liam Smeeth, Harry Hemingway
Creation date19 May 2011
Category (code) Clinical code Clinical term Datasource lookup
(1) 44PA.00 HDL : LDL ratio 14369
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