Quality Assessment of Total Cholesterol Measurements in the WHO MONICA Project
| Term | Description | See Section |
|---|---|---|
| AP | Analysis period of the survey samples | 5.5.1.1 |
| AVERAGE BIAS | Survey average bias (%) | 5.5.1.2 |
| AVERAGE TIME of AP per RS | Average time of analysis period per relevant sets | 5.5.1.1 |
| BIAS% | Proportion of pools with bias out of limits | 5.5.1.2 |
| BIAS SCORE | Score for categorising BIAS% | 5.5.1.2 |
| CDC | Centers for Disease Control, Atlanta, U.S. | 1 |
| CHOD-PAP | 5.4.1 | |
| CONSIST | Smallest difference between the maximum and the minimum bias in a survey analysis period | 5.5.1.2 |
| CONSIST SCORE | Score for categorising CONSIST | 5.5.1.2 |
| COVERAGE SCORE | Score for identify the proportion of the survey analysis period covered by the EQC | 5.5.1.1 |
| DELTA BIAS | Absolute difference between the average biases of two surveys | 5.5.3 |
| DFS | (Storage after centrifuging score for) Deep-frozen score | 7 |
| EDTA | Disodium ethylenediaminetetraacetate (anticoagulant) | 4.2.4 |
| EQA | External quality assessment | 5.5 |
| EQA SCORE | External quality assessment score of a single survey | 5.5.1.3 |
| EQA1 | First version of external quality assessment criteria | 5.5.1 |
| EQA2 | Second version of external quality assessment criteria | 5.5.1 |
| EQA3 | Final version of external quality assessment criteria | 5.5.1 |
| EQC | External quality control | 5.4 |
| HDL | High density lipoprotein | |
| IQC | Internal quality control | 5.4 |
| MAX-GAP | Maximum-Gap, i.e. maximum length of time from a survey sample analysis to the nearest relevant set | 5.5.1.1 |
| MCC | MONICA Collaborating Centre | |
| MDC | MONICA Data Centre, Helsinki | 2.1 |
| MON-DIF | Month difference, proxy for seasonal variation | 4.2.2 |
| PBDS | Posture of blood drawing score | 7 |
| POOLED CONSIST | Smallest difference between the maximum and the minimum bias between surveys | 5.5.3 |
| POOLED CONSIST SCORE | Score for categorising POOLED CONSIST | 5.5.3 |
| PSDS | Plasma-serum difference score | 7 |
| RRS | (Storage after centrifuging score for) Refrigerated/room temperature score | 7 |
| RS | Relevant sets | 5.5.1.1 |
| RU | Reporting Unit | 2.1 |
| RUA | Reporting Unit Aggregate | 2.1 |
| RV | Reference value | 5.4.1 |
| SACS | Storage after centrifuging score | 7 |
| SVS | Seasonal variation score | 7 |
| TC | Total cholesterol | |
| TCEQASS | Total cholesterol external quality assessment summary score | 7 |
| TCOSS | Total cholesterol overall summary score | 7 |
| TCPASS | Total cholesterol pre-analytic summary score | 7 |
| TREND BIAS | Time trend of the bias over all analysis periods, adjusted for a ten year period | 5.5.3 |
| VAR% | Proportion of pools with coefficients of variation out of limits | 5.5.1.2 |
| VARIANCE SCORE | Score for categorising VAR% | 5.5.1.2 |
| WHO-RLRC | WHO Regional Lipid Reference Centre, Institute for Clinical and Experimental Medicine, Prague, Czech Republic | 5.4 |