Comparison of nephrotoxicity of Colistin with Polymyxin B administered in currently recommended doses: a prospective study

Table 5 Predictors of Colistin nephrotoxicity

Variable	Bivariate analysis
Variable	OR	95% CI	P value
BMI ≥ 30	0.92	0.31 to 2.73	0.885
DM (yes)	0.80	0.29 to 2.24	0.802
Age ≥ 65	1.64	0.58 to 4.65	0.350
Daily dose ≥ 300 mg/day	6.56	2.10 to 20.52	0.001
APACHE ≥ 20	0.39	0.13 to 1.11	0.387
Baseline creatinine clearance < 50 ml/min	0.16	0.05 to 0.53	0.003

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