Table 3.

Economic costs of patients with 3GCRKP and 3GCSKP for potential confounding variables.

Potential Confounding Variables	Hospital Cost ($)	3GCSKP			3GCRKP			Difference			p Value
		Median	95% CI		Median	95% CI		Median	95% CI
Excluding LOS before culture	Total hospital cost	8084	7380	9029	15,754	14,799	16,961	7671	7419	7932	<0.000
	Antibiotic cost	490	430	538	1372	1239	1521	881	809	982	<0.000
	Medication cost	3461	3122	3781	7923	7290	8439	4461	4168	4658	<0.000
	Diagnostic cost	1397	1332	1472	2017	1898	2180	620	566	708	<0.000
	Treatment cost	1637	1491	1768	3249	2992	3524	1612	1501	1756	<0.000
	Material cost	472	419	536	1055	954	1177	583	535	641	<0.000
	Other costs	14	12	16	17	15	20	3	3	4	0.079
Including LOS before culture	Total hospital cost	9699	9089	10,537	14,463	13,428	15,561	4763	4340	5025	<0.000
	Antibiotic cost	526	467	590	1255	1122	1404	729	655	814	<0.000
	Medication cost	4166	3811	4571	7164	6506	7881	2998	2695	3310	<0.000
	Diagnostic cost	1452	1380	1554	1896	1761	2014	445	380	460	<0.000
	Treatment cost	2043	1831	2240	2995	2820	3255	952	989	1015	<0.000
	Material cost	623	566	689	963	866	1071	340	299	383	<0.000
	Other costs	16	14	18	16	14	19	0	1	1	0.4680

3GCRKP: third-generation cephalosporin-resistant Klebsiella pneumoniae; 3GCSKP: third-generation cephalosporin-susceptible K. pneumoniae; LOS: length of stay; CI: certainty interval.