Table 3. Single and cumulative nephrotoxins frequency and incidence of acute kidney injury (AKI).

Number of drugs	Common drugs	Total usage	Incidence of AKI	P-value
One drug use	Vancomycin	126 (16.8%)	24 (19%)	0.07
	Tazobactem/piperacillin	97 (12.9%)	09 (9.3%)
	Levetiracetam	18 (2.4%)	02 (11.1%)
	Colistimethate	09 (1.2%)	01 (11.1%)
Two drug use	Vancomycin Colistimethate	97 (12.9%)	22 (22.6%)	0.03
	Vancomycin, Tazobactem/piperacillin	25 (3.3%)	5 (20%)
	Vancomycin Acyclovir	4 (0.5%)	1 (25%)
Three or more drug use	Vancomycin, Colistimethate, Amphotericin	22 (2.9%)	4 (18.1%)	0.09
	Vancomycin, Levetiracetam, Phenytoin	22 (2.9%)	2 (9%)
	Vancomycin, Colistimethate, levetericetam	13 (1.7%)	4 (30.7%)