Role of preoperative selective portal vein embolization in two-step curative hepatectomy for hepatocellular carcinoma

Table 1 Serial changes of liver volume and ratio of right hepatic lobe volume to total hepatic volume after right portal vein embolization

	Right liver volume (cm3)	Left liver volume (cm3)	Right liver volume/total liver volume (%)
Before POSPVE	592.4 ± 98.5	352.2 ± 65.2	62.4 ± 7.6
1 week after POSPVE	571.7 ± 104.0	378.6 ± 127.9	60.5 ± 9.3
2 weeks after POSPVE	547.7 ± 118.3ac	405.9 ± 130.2ac	57.2 ± 11.2ac
3 weeks after POSPVE	509.1 ± 123.8bce	446.1 ± 143.5bde	52.8 ± 12.3bce

^aP < 0.05,

^bP < 0.01, vs before POSPVE;

^cP < 0.05,

^dP < 0.01, vs 1 week after POSPVE,

^eP < 0.05, ^fP < 0.01, vs 2 weeks after POSPVE.