Projects > Discovery Challenge 2002 > Control Examination

 

Biochemical examination

Attributes relating to the biochemical examination are lucidly given in the Table 1. Information about values of individual attributes and about incidence frequencies of individual values are given in the Tables 2–11.

Table 1 – Attributes relating to the biochemical examination
Identifier – a column in the data matrix ContrMeaning
CHLSTcholesterol (mmol/l)
CHLSTMGcholesterol (mg%)
TRIGLtriglycerides (mmol/l)
TRIGLMGtriglycerides (mg%)
HDLHDL cholesterol (mmol/l)
HDLMGHDL cholesterol (mg%)
MOCurine
GLYKEMIEglycemia (mmol/l)
KYSMOCuric acid (mikromol/l)
LDLLDL cholesterol (mmol/l)

 

Table 2 – Basic data bout the CHLST attribute
CHLST – cholesterol
number of examinations with given value10 413     
number of examinations without given value197     
minimal value (mmol/l)2.64
maximal value (mmol/l)22.71
number of various values609     

 

Table 3 – Basic data about the CHLSTMG attribute
CHLSTMG – cholesterol
number of examinations with given value10 413
number of examinations without given value197
minimal value (mg%)102
maximal value (mg%)878
number of various values294

 

Table 4 – Basic data bout the TRIGL attribute
TRIGL – triglycerides
number of examinations with given value10 109     
number of examinations without given value501     
minimal value (mmol/l)0.19
maximal value (mmol/l)57.92
number of various values700     

 

Table 5 – Basic data about the TRIGLMG attribute
TRIGLMG – triglyceres
number of examinations with given data10 123
number of examinations without given data487
minimal value (mg%)17
maximal value (mg%)5 129
number of various values651

 

Table 6 – Basic data about the HDL attribute
HDL – HDL cholesterol
number of examinations with given data7 351     
number of examinations without given data3 259     
minimal value (mmol/l)0.24
maximal value (mmol/l)4.13
number of various values242     

 

Table 7 – Basic data about the HDLMG attribute
HDLMG – HDL cholesterol
number of examinations with given data7 459
number of examinations without given data3 151
minimal value (mg%)9
maximal value (mg%)391
number of various values118

 

Table 8 – Frequency of the MOC attribute
MOC – urineNumber of
examinations
CodeMeaning
1normalí9 980
2sugar positive170
3albumen positive76
4not stated374
5sugar + albumen positive10

 

Table 9 – Basic data about the GLYKEMIE attribute
GLYKEMIE – glycemia
number of examinations with given value868   
number of examinations without given data9 742   
minimal value (mmol/l)0.1
maximal value (mmol/l)51   
number of various values99   

 

Table 10 – Basic data about the KYSMOC attribute
KYSMOC – uric acid
number of examinations with given data824   
number of examinations without given data9 786   
minimal value (mikromol/l)4.5
maximal value (mikromol/l)838   
number of various values303   

 

Table 11 – Basic data about the LDL attribute
LDL – LDL cholesterol
number of examinations with given data7 073   
number of examinations without given data3 647   
minimal value (mmol/l)0.3
maximal value (mmol/l)13.5
number of various values565   

The level of LDL cholesterol (low density cholesterol) is not assessed directly in running routine but it is counted according to the following equation:

LDL cholesterol = total cholesterol – (HDL cholesterol + triglycerides/2.2)

Necessary conditions for computation of LDL cholesterol:

Bibliography:

Friedewald, W.T. – Levy, R.I. – Frederickson, D.S.: Estimation of the concentration of low-density lipoprotein cholesterol in plasma, without use of the preparative ultracentrifuge. Clin Chem 1972, 18, 499–502.

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