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. Author manuscript; available in PMC: 2013 Nov 1.
Published in final edited form as: Magn Reson Med. 2012 Jan 9;68(5):1614–1622. doi: 10.1002/mrm.24150

Table 1.

Mean values of perfusion indices and pharmacokinetic parameters by histology (malignant vs. benign)

Histology MTT (min) TTP (min) IS (min−1) Emax kep (min−1)
Malignant (25 cases) 6.68±1.63 3.59±1.00 55.4±32.8 72.9±30.5 1.80±0.85
Benign (5 cases) 8.98±2.09 10.2±6.92 18.4±20.2 52.8±18.2 0.61±0.36
M-W p-value 0.037 0.011 0.032 0.062 0.005

MTT: Mean transit time, TTP: Time to peak, Emax: Maximum enhancement intensity, IS: Initial slope. M-W p-value: Mann-Whitney U-test, Two-sided p-value for Malignant not equal to Benign. p<0.05 was defined statistically significantly different.