Table 1 Comparison of different contrast material protocols: Mann-Whitney U-test showed no significant difference between the two subgroups (values expressed as median and interquartile range)
Contrast material protocol 1 (n = 19) Contrast material protocol 2 (n = 10)  p
K trans (ml/100 ml/min) 5.80 4.04 >0.05
(4.43–9.45) (3.27–9.99)
CBV (ml/100 ml) 5.37 5.58 >0.05
(4.36–6.74) (4.71–7.55)
CBF (ml/min) 75.69 110.00 >0.05
(62.12–108.73) (84.99–132.18)