Table 3.

Comparison of 30-day mortality and exploratory endpoint according to treatment regimens

	Antibiotic regimens	N (%)	HR (95%CI)	p value
30-day mortality
	COL containing-regimen	27/61 (44.3%)	Ref variable	Ref variable
	CAZ-AVI containing-regimen	3/13 (23.1%)	0.424 (0.129–1.391)	0.157
	Other regimens	7/17 (41.2%)	0.799 (0.366–1.746)	0.574
Composite endpoint
30-day mortality OR nephrotoxicity	COL containing-regimen	42/61 (68.9%)	Ref variable	Ref variable
	CAZ-AVI containing-regimen	3/13 (23.1%)	0.231 (0.071–0.745)	0.014
	Other regimens	8/17 (47.1%)	0.503 (0.245–1.034)	0.061

COL colistin, CAZ-AVI ceftazidime-avibactam, Ref reference. Statistical significant p value are indicated in italics