Carcinoembryonic antigen (CEA)


Plebani M, Giacomini A, Beghi L, De Paoli M, Roveroni G, Galleotti F, Corsini A, Fraser CG, 1996, Anticancer Res, 16, 2249-52 , Serum tumor markers in monitoring patients: interpretation of results using analytical and biological variation


Total Score


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 A
8. Outlier Analysis C
9. Normality B
10. Variance Homogeneity C
12. CI C
13. No of Results C
14. Concentrations A
15. Total Score C8,10,12,13
Comment C8,10,12

Item Details

Parameter Score
Matrix Serum
Measurand Carcinoembryonic antigen (CEA)
Unit ug / L
Overall Analytical Principle Method Immunoassay; Not specified
Number of Subjects 9
Number of Subjects included in BV estimation 9
Ethinicity Caucasian
Age Mean / Median 61.0
Age Min
Age Max
Age SD
Number of Males 5
Number of Females 4
State of Well Being
Non-healthy (excl pregnant)
Study Duration Length 2
Study Duration Units Month
Sampling Intervals, e.g. X sample(s) per Interval Unit 3
Interval Units Month
Sampling Times Start Time:
End Time:
Number of Samples 6
Average Number of Samples Used for BV Estimation 6.0
Average Number of Replicates 1.0
Estimates of CVi 10.9
Calculated Confidence Intervals of CVi Lower: 5.38, Upper: 14.12
Estimates of CVg 178.0
Calculated Confidence Intervals of CVg Lower: 122.38, Upper: 325.04
Analytical CV 4.3
Calculated Confidence Intervals of Analytical CV Lower: 2.68, Upper: 10.55
Measurand Mean 7.4
Measurand Min
Measurand Max
Measurand SD