Cancer antigen 19-9 (CA 19-9)

Included in meta analysis

Reference

Reference
Erden G, Barazi AO, Tezcan G and Yildirimkaya MM, 2008, Scand J Clin Lab Invest, 68, 212-8 , Biological variation and reference change vàlues of CA 19-9, CEA, AFP in sèrum of healthy individuals

Originally from this reference: Scand J Clin Lab Invest, Erden G, Barazi AO, Tezcan G and Yildirimkaya MM, 2008


ID: 0358

Scoring

Total Score

C8,10

Parameter Score
1. Scale A
2. Study Population A
3. Samples A
4. Measurand A
5. Pre-Analytical A
6. Replicate Analysis B
7. Steady State B
8. Outlier Analysis C
9. Normality A
10. Variance Homogeneity C
11. ANOVA B
12. CI A
13. No of Results B
14. Concentrations A
15. Total Score C8,10
Comment

Item Details

Parameter Score
Matrix Serum
Measurand Cancer antigen 19-9 (CA 19-9)
Unit U / mL
Overall Analytical Principle Method Immunoassay; RIA
Number of Subjects 49
Number of Subjects included in BV estimation 38
Ethinicity Unknown
Age Mean / Median 33.0
Age Min 18.0
Age Max 60.0
Age SD
Number of Males 25
Number of Females 24
State of Well Being Healthy (excl pregnant)
Study Duration Length 6
Study Duration Units Week
Sampling Intervals, e.g. X sample(s) per Interval Unit 14
Interval Units Day
Sampling Times Start Time: 08:00
End Time: 10:00
Number of Samples 4
Average Number of Samples Used for BV Estimation 4.0
Average Number of Replicates 2.0
Estimates of CVi 27.2
Calculated Confidence Intervals of CVi Lower: 24.01, Upper: 31.33
Estimates of CVg 64.24
Calculated Confidence Intervals of CVg Lower: 51.88, Upper: 83.53
Analytical CV 5.39
Calculated Confidence Intervals of Analytical CV Lower: 4.85, Upper: 6.07
Measurand Mean 5.098
Measurand Min 1.9
Measurand Max 12.253
Measurand SD 3.147

Coding

Parameter Score
Healthy Population true
Adult Population true
Weekly Samplings true
Reviewed true
Published true
Gender for Meta-Analysis Mixed
Snomed CT
NPU
LOINC
Comment
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