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Research Paper

Blood volatile compounds as biomarkers for colorectal cancer

, , , , , , , , , , , , , , , & show all
Pages 200-206 | Received 23 Jul 2013, Accepted 06 Oct 2013, Published online: 01 Nov 2013

Figures & data

Figure 1. The PCA model (R2X = 0.642, Q2 = 0.431).

Figure 1. The PCA model (R2X = 0.642, Q2 = 0.431).

Figure 2. PLS-DA (with the three components of R2X = 0.445, R2Y = 0.874, and Q2 = 0.678).

Figure 2. PLS-DA (with the three components of R2X = 0.445, R2Y = 0.874, and Q2 = 0.678).

Figure 3.y-intercepts: R2 = (0.0, 0.492), Q2 = (0.0, −0.366). Validation plot obtained from 100 permutation tests.

Figure 3.y-intercepts: R2 = (0.0, 0.492), Q2 = (0.0, −0.366). Validation plot obtained from 100 permutation tests.

Table 1. Specific VOC biomarkers found at abnormal levels in the blood of CRC patients

Table 2. Demographic characteristics of the study subjects

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