MDC CV - Lab results Baseline 1992-1994
2023-09-26
Contents
Laboratory analyses of blood samples, drawn after the baseline screening date. The blood sampling is considered baseline although it occurred about 9 months (mean 291 days, median 262 days, SD 135 days) after the initial baseline screening.
Lines: 6 103
Variables:17
Selection
Cardiovascular (CV) cohort of MDC. Every other individual in the MDC cohort screened between 1991 to 1994 was invited to a CV project, 6 103 individuals accepted the invitation, about 5 500 further participated in an extended examination, including laboratory analyses.
Reference
Hedblad B, Nilsson P, Janzon L, Berglund G. Relation between insulin resistance and carotid intima-media thickness and stenosis in non-diabetic subjects. Results from a cross-sectional study in Malmö, Sweden. Diabet Med. 2000;17(4):299-307.
List of variables
Laboratory variables
Name | Variable label | Type | Format | Value label | Male | Female | ||
---|---|---|---|---|---|---|---|---|
lopnrMKC | Sequence number for baseline examination in the MDC cohort (Numeric) | Numeric | F5 | 2572 | 3531 | |||
lopnr_ul | Sequence number for ultrasound examination in MDC-CV cohort (also named patnr_ul) | Numeric | F5 | 2572 | 3531 | |||
labd | Date of blood sampling (fasting) for laboratory variables. Remarks: Sampling was performed about 9 months after start_d (=MDC baseline screening date, which is derived from sdate in Bodycomp and DATUM in Cellcounter). | Date | SDATE10 | 2293 | 3240 | |||
time | Time between u_dat (date of carotid ultrasound baseline examination) and labd (date of fasting blood sampling for laboratory variables) (yrs). Remarks: time=labd-u_dat. Blood sampling (labd) was conducted about 9 months after the ultrasound baseline examination (u_dat). For more than 97% of the 6103 individuals in MDC-CV u_dat is identical to the MDC baseline screening date (start_d) and the MDC Bodycomp examination date (sdate). | Numeric | F4.2 | 2293 | 3240 | |||
orsak | Reason for not attending fasting laboratory test (blood sampling) | Numeric | F1 | 1 = invited, absent 2 = invited, declined participation 3 = migrated 4 = invited, no samples taken 5 = administrative problems 6 = deceased | 279 | 291 | ||
kolest | Total cholesterol (mmol/l). Remarks: Standardized analyses of serum samples (fasting) were carried out at the Department of Clinical Chemistry, Malmo University Hospital. | Numeric | F5.2 | 2285 | 3226 | |||
trigl | Triglycerides (mmol/l). Remarks: Standardized analyses of serum samples (fasting) were carried out at the Department of Clinical Chemistry, Malmo University Hospital. | Numeric | F5.2 | 2282 | 3228 | |||
hdl | High density lipoprotein (HDL) (mmol/l). Remarks: Standardized analyses of serum samples (fasting) were carried out at the Department of Clinical Chemistry, Malmo University Hospital. | Numeric | F4.2 | 2260 | 3193 | |||
ldl | Low density lipoprotein (LDL) (mmol/l). Remarks: Calculated according to following formula for trigl-values <=4.5: ldl=kolest-hdl-(trigl/2.2), ref Friedewald WT et al (Clin Chem 1972;18:499-502). | Numeric | F5.2 | 2217 | 3154 | |||
ldlhdlkv | LDL/HDL ratio | Numeric | F5.2 | 2217 | 3154 | |||
hba1c | HbA1c (%). Remarks: Analyzed with the Swedish Mono-S standardization system (corresponding to 7.0% according to the US National Glycohemoglobin Standardization Program [NGSP]) | Numeric | F4.1 | 2278 | 3224 | |||
glucos | Fasting (fB) glucose (mmol/l). Remarks: Standardized analyses of serum samples (fasting) were carried out at the Department of Clinical Chemistry, Malmo University Hospital. | Numeric | F4.1 | 2283 | 3225 | |||
p_ins | Plasma insulin (mIU). Remarks: p_ins values below 3 set to 2.9 | Numeric | F3 | 2.9 = p_ins<3 (values below 3 set to 2.9) -99 = missing | 2198 | 3110 | ||
nobgluk | Non fasting at blood glucose sampling | Numeric | F1 | 1 = no fasting blood glucose | 1 | 2 | ||
lpa | Lipoprotein (a) (mg/l) | Numeric | F4 | 665 | 1019 | |||
apob | ApolipoproteinB (mg/l) | Numeric | F4 | 839 | 1307 | |||
lipoper | Lipoperoxidas (mg/l) | Numeric | F3.1 | 677 | 959 |