Variable breakdown
qa_nmr_m_ldl_tg_per_flag
Section and category
Biochemistry Data.Blood biomarkers (NMR) - QA
Description
“Sample quality flag for qa_nmr_m_ldl_tg_per”
Additional information
| Metadata | |
|---|---|
| contents | Categorised |
Data summary
Baseline
| value | freq | pct_valid | pct_tot |
|---|---|---|---|
| No issues | 136 | 99.27 | 0.03 |
| Very low concentration | 0 | 0.00 | 0.00 |
| Value was rejected by automatic sample and measurement quality control. | 0 | 0.00 | 0.00 |
| Value cannot be quantified due to detected irregularity in sample, see tags. | 0 | 0.00 | 0.00 |
| Not defined. Derived value or ratio cannot be given due to low concentration in original measures. | 1 | 0.73 | 0.00 |
| <NA> | 515276 | NA | 99.97 |
Between-survey agreement
No agreement analysis available
International Coordinating Centre, China Kadoorie Biobank (CKB), CTSU, Nuffield Department of Population Health, University of Oxford Old Road Campus, Headington, Oxford, OX3 7LF
Tel: +44 (0)1865 743743 | Fax: +44 (0)1865 743985 | Email: ckbaccess@ndph.ox.ac.uk
Copyright China Kadoorie Biobank (CKB), University of Oxford, (2024)
Page generated: 27-02-2024