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Table 2 Association between CTP parameters and ablated/cirrhotic lesions

From: CT perfusion for response evaluation after interventional ablation of hepatocellular carcinoma: a prospective study

CT perfusion TACE responder P value RFA Responder P value
Ablated lesions Cirrhotic parenchyma Ablated lesions Cirrhotic parenchyma
Mean SD Mean SD Mean SD Mean SD
BF (ml/min/100gm) 46.05 39.71 248.84 180.82  < 0.0001* 61.73 54.45 283.05 226.65 0.0002*
BV (ml/100gm) 11.22 10.51 16.71 9.71 0.0213* 5.50 2.93 25.37 12.56  < 0.0001*
Mean transit time (sec) 20.65 10.80 10.98 7.001  < 0.0001* 11.07 7.15 10.23 4.89 0.4270
Arterial fraction 0.53 0.26 0.27 0.21  < 0.0001* 0.54 0.23 0.42 0.24 0.1420
Permeability(ml/min/100gm) 5.58 5.67 23.62 16.23  < 0.0001* 10.28 9.09 29.44 9.77  < 0.0001*
HU on non-contrast 230.52 155.34 51.05 7.20  < 0.0001* 45.82 4.53 53.32 3.30  < 0.0001*
HU at arterial 230.90 154.92 55.62 7.22  < 0.0001* 49.27 4.55 59.32 4.49  < 0.0001*
HU at porto venous 232.09 154.43 86.05 12.33 0.0003* 53.18 5.49 100.18 17.56  < 0.0001*