Table 2 Summary of technical parameters for C6A6.

From: A fragment of type VI collagen alpha-6 chain is elevated in serum from patients with atopic dermatitis, psoriasis, hidradenitis suppurativa, systemic lupus erythematosus and melanoma

TECHNICAL VALIDATION

RESULTS (Accepted recovery: 100 ± 20%)

IC50

3.86 ng/mL

Measurement range (LLMR-ULMR)

0.60–13.00 ng/mL

Inter-assay variation, mean (range)

5% (7.31–18.75)

Intra-assay variation, mean (range)

12% (2.4–12.05)

Dilution recovery of human serum, mean (range)

105% (85.4–120.4)

Spiking recovery (selection peptide in serum), mean (range)

104% (104–109)

Analyte stability and recovery, 24 h at 4 °C/20 °C , mean (range)

93% (85.9–96.8)/81% (66.8–90.6)

Freeze–thaw stability, five cycles, mean (range)

97% (72.6–103.5)

Hemoglobin interference (low/high), mean (range)

102% (87.1–121.3) / 85% (76.2–98.0)

Lipemia interference (low/high), mean (range)

105% (82.6–120.5) / 107% (80.8–130.4)

Biotin interference

 < 10 ng/mL