Early evaluation of liver metastasis using spectral CT to predict outcome in patients with colorectal cancer treated with FOLFOXIRI and bevacizumab

Table 4 Multivariate associations of baseline data and spectral CT parameters with responder

Variables	Multivariate analysis
Variables	Coefficients	Z value	OR (95% CI)	p Value
IoD	0.808	3.117	2.243 (1.405–4.098)	0.002
CS	0.406	0.553	1.501 (0.315–6.766)	0.580
CEA	0.001	0.341	1.001 (0.997–1.006)	0.733
K-RAS	-0.631	-0.862	0.532 (0.116–2.136)	0.389
Wild type versus mutant	-0.631	-0.862	0.532 (0.116–2.136)	0.389
Clinical T stage of the primary tumor	0.227	0.323	1.255 (0.306–5.007)	0.747
T4 versus T2/T3	0.227	0.323	1.255 (0.306–5.007)	0.747
Clinical N stage of the primary tumor	1.609	2.108	4.998 (1.210–25.345)	0.035
N2 stage versus N0-1	1.609	2.108	4.998 (1.210–25.345)	0.035

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