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Within-run, between-run and total imprecision of LC-MS/MS method for thyroglobulin.
| Sample | Concentration, ng/mL |
Within-run, % |
Between- run/day, % |
Total, % |
|---|---|---|---|---|
| Low 1# | 2.1 | 6.75 | 3.67 | 7.69 |
| Low QC 1* | 2.3 | na | 13.9 | na |
| Low 2# | 5.7 | 6.87 | 5.96 | 9.10 |
| Medium QC 2* | 6.5 | na | 10.5 | na |
| Medium# | 14.8 | 6.56 | 5.40 | 8.50 |
| High# | 399 | 3.56 | 1.71 | 3.95 |
| High QC* | 172.8 | na | 3.5 | na |
Samples analyzed in three replicates per day over five days
Samples analyzed in one replicate per day, over 20 days
