Table 1. Ang2 concentrations in plasma samples from metastatic colorectal cancer patients as estimated by both the ELISA and the BSW platform. For the BSW system, each calculated value is the mean of two duplicate experiments.

	Detected Ang2 concentration [ng/mL]
Plasma Sample	ELISA	BSW platform (σ)
S1	6.7	6.2 (0.4)
S2	5.7	5.8 (0.4)
S3	5.8	5.3 (0.2)