Internal vs oral bile reinfusion for hepatic recovery after percutaneous transhepatic cholangiodrainage

Table 2 Temporal changes in bilirubin and hepatocellular enzymes, mean ± SD

Parameter	Time	Observation group (n = 55)	Control group (n = 45)	Difference	P value
TBIL (μmol/L)	Baseline	152.3 ± 35.8	148.7 ± 38.2	3.6	0.616
	1 week	98.5 ± 22.3	115.8 ± 26.5	-17.3	0.001
	2 weeks	68.3 ± 15.8	89.5 ± 21.2	-21.2	< 0.001
	4 weeks	42.5 ± 12.3	68.7 ± 18.5	-26.2	< 0.001
ALT (U/L)	Baseline	95.3 ± 28.5	92.7 ± 31.2	2.6	0.653
	4 weeks	38.5 ± 12.3	56.8 ± 18.5	-18.3	< 0.001

ALT: Alanine aminotransferase; TBIL: Total bilirubin.