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Table 1 Calcitonin assays performances

From: Serum calcitonin estimation in medullary thyroid cancer: basal or stimulated levels?

Assay

Format

Sample volume

Pretreatment

Within-run CV

Between-run CV

Measuring range

LLD

Cis-bio

RIA

200µl

30 min 56°C

6.7% at 10.9 ng/L

5.2% at 21.1 ng/L

1.5 –1530 ng/L

1.5 ng/L

Diasorin

Automated chemi-luminescent

150µl

NO

2. 5% at 25 ng/L 3.1% at 160 ng/L

5% at 25 ng/L 4.7% at 160 ng/L

1.0 – 2000 ng/L

4 ng/L

Siemens

Automated chemi-luminescent

200 µl

NO

3.4% at 29 ng/L 2.3% at 200 ng/L

4.2% at 29 ng/L 5.5% at 260 g/L

2.0 – 2000 ng/L

2 ng/L

IBL

ELISA

100 µl

NO

2.8% at 37 ng/L 2.4% at 260 ng/L

8.6% at 41 ng/L 6.3% at 167 ng/L

1.3 – 790 ng/L

1.3 ng/L

DSL

IRMA

150 µL

NO

2.4% at 27 ng/L 5.1% at 390 ng/L

9.0% at 24.3 ng/L 7.8% at 391 ng/L

5 – 500 ng/L

5 ng/L