Projects > Discovery Challenge 2003 > Data set > Control

 

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 375     
number of examinations without given value197     
minimal value (mmol/l)2.64
maximal value (mmol/l)22.71
number of various values607     

 

Table 3 – Basic data about the CHLSTMG attribute
CHLSTMG – cholesterol
number of examinations with given value10 375
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 086     
number of examinations without given value486     
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 086
number of examinations without given data486
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 424     
number of examinations without given data3 148     
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 428
number of examinations without given data3 144
minimal value (mg%)9
maximal value (mg%)391
number of various values118

 

Table 8 – Frequency of the MOC attribute
MOC – urineNumber of
examinations
CodeMeaning
1normal9 945
2sugar positive168
3albumen positive76
4not stated373
5sugar + albumen positive10

 

Table 9 – Basic data about the GLYKEMIE attribute
GLYKEMIE – glycemia
number of examinations with given value861   
number of examinations without given data9 711   
minimal value (mmol/l)3.1
maximal value (mmol/l)16.3
number of various values97   

 

Table 10 – Basic data about the KYSMOC attribute
KYSMOC – uric acid
number of examinations with given data818   
number of examinations without given data9 754   
minimal value (mikromol/l)120   
maximal value (mikromol/l)838   
number of various values399   

 

Table 11 – Basic data about the LDL attribute
LDL – LDL cholesterol
number of examinations with given data7 042   
number of examinations without given data3 530   
minimal value (mmol/l)0.3
maximal value (mmol/l)13.5
number of various values567   

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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