| 
      
        | Factor | Odds    ratio- 95% CI | P-value |  
        | Gender | 1.55 (0.64-3.71) | 0.32 |  
        | Age    (median: 55 years) | 1.02 (0.98-1.05) | 0.22 |  
        | Chemotherapy    Regimen(Cisplatin vs. others) | 0.87 (0.36- 2.06) | 0.75 |  
        | Chemotherapy    cycles(1-2 vs. >2 cycles) | 0.84 (0.34- 2.05) | 0.70 |  
        | Hemoglobin | 1 (0.98- 1.03) | 0.62 |  
        | Serum    Creatinine | 0.98 (0.95- 1.01) | 0.29 |  
        | Uric    Acid | 1 (0.99- 1) | 0.16 |  
        | Urea | 0.97 (0.84- 1.11) | 0.67 |  |