Table 1. Perioperative data.

Characteristic	Preoperative	Postoperative
Hemoglobin, g/L	118	107
ALT, U/L	10	8
AST, U/L	16	17
Serum creatinine, μmol/L	49.2	40
Serum BUN, mmol/L	4.19	5.04

ALT, alanine transaminase; AST, aspartate transaminase; BUN, blood urea nitrogen.