combined_dep_and_ckb_logo

Section and category

Biochemistry Data.Blood biomarkers (NMR)


Description

“Sample quality flag for nmr_sfa”


Additional information

Metadata
contents Categorised
is_mandatory No

Data summary

Baseline




value freq pct_valid pct_tot
No issues 7181 99.82 1.39
Very low concentration 0 0.00 0.00
Value was rejected by automatic sample and measurement quality control. 13 0.18 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. 0 0.00 0.00
<NA> 508221 NA 98.60

Resurvey 1




value freq pct_valid pct_tot
No issues 43 100 0.22
Very low concentration 0 0 0.00
Value was rejected by automatic sample and measurement quality control. 0 0 0.00
Value cannot be quantified due to detected irregularity in sample, see tags. 0 0 0.00
Not defined. Derived value or ratio cannot be given due to low concentration in original measures. 0 0 0.00
<NA> 19760 NA 99.78

Resurvey 2




value freq pct_valid pct_tot
No issues 92 100 0.36
Very low concentration 0 0 0.00
Value was rejected by automatic sample and measurement quality control. 0 0 0.00
Value cannot be quantified due to detected irregularity in sample, see tags. 0 0 0.00
Not defined. Derived value or ratio cannot be given due to low concentration in original measures. 0 0 0.00
<NA> 25160 NA 99.64




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:

Copyright China Kadoorie Biobank (CKB), University of Oxford, (2024)

Page generated: 27-02-2024