Table 4.

Association between perfusion parameter value at baseline and response to chemo radiation (n = 24).

Perfusion parameter	Complete response						Risk Ratio	95% CIa	p-Value
	High value (>median)			Low value (≤median)
	No.	Total	%	No.	Total	%
Blood Flow (median = 106 ml/100 g/min)	10	12	83.3	2	12	16.7	5.00	1.38–18.2	0.004
Blood volume (median = 10.1 ml/100 g)	7	11	63.6	5	13	38.5	1.65	0.73–3.76	0.413
Mean transit time (median = 6.9 s)	4	11	36.4	8	13	61.5	0.59	0.24–1.44	0.413
Permeability surface (median = 47.0 ml/100 g/min)	5	12	41.7	7	12	58.3	0.71	0.31–1.62	0.683

^aConfidence interval.