Safety validation of decision trees for hepatocellular carcinoma

Table 2 Preoperative biochemical indices and ratings n (%)

Serum albumin (g/L)	41.1 (4.0)
Platelet count (103/mm3)	178.6 (75.1)
Serum creatinine (μmol/L)	67.7 (14.0)
Serum total bilirubin (μmol/L)
Serum total bilirubin (μmol/L)	6.3 (14.2)
Serum sodium (mmol/L)	142.0 (2.8)
INR, mean (SD)	1.04 (0.10)
CTP score
Class A	629 (98.2)
Class B	5 (0.8)
MELD score, mean (SD)	8.4 (1.5)
Tumor size (cm)	7.4 (4.9)

Tumor size: The largest diameter of tumor, even for multiple lesions; CTP score: Child-Turcotte-Pugh score; MELD score: Model for End-stage Liver Disease score.