Research Article

De Ritis Ratio (Aspartate Transaminase/Alanine Transaminase) as a Significant Prognostic Factor in Patients Undergoing Radical Cystectomy with Bladder Urothelial Carcinoma: A Propensity Score-Matched Study

Table 2

Multivariate Cox proportional hazards analyses of AST/ALT ratio on overall survival, cancer-specific survival, and recurrence-free survival.

VariablesOverall survivalCancer-specific survivalRecurrence-free survival
HR (95% CI) valueHR (95% CI) valueHR (95% CI) value

Age1.03 (1.00-1.01)0.0321.05 (1.01-1.09)0.0221.01 (0.97-1.04)0.633
BMI0.92 (0.84-1.01)0.0990.92 (0.84-1.02)0.1031.06 (1.00-1.13)0.043
Tumor size1.16 (1.09-1.24)<0.0011.16 (1.09-1.24)<0.0011.13 (1.07-1.20)<0.001
High tumor grade1.58 (1.10-2.28)0.0131.65 (1.09-2.49)0.0171.30 (0.90-1.88)0.159
≥pT2 stage3.30 (1.18-9.21)0.0225.78 (2.51-13.35)<0.0015.14 (2.05-12.90)<0.001
≥N1 stage1.37 (1.06-1.77)0.0141.35 (1.05-1.74)0.0181.54 (1.20-1.97)<0.001
≥M1 stage1.68 (0.23-11.99)0.6053.89 (0.45-33.90)0.2191.73 (0.22-13.58)0.604
NACH1.21 (0.60-2.42)0.5941.33 (0.63-2.78)0.1911.86 (0.80-4.26)0.142
AST/ALT ratio
AST/ALT ≤1.1ReferenceReferenceReference
AST/ALT >1.12.15 (1.23-3.73)0.0072.05 (1.65-2.56)<0.0011.32 (0.69-2.56)0.087

BMI: body mass index; NACH: neoadjuvant chemotherapy; ALT: alanine aminotransferase; AST: aspartate aminotransferase.