Burden of acute kidney injury and 90-day mortality in critically ill patients

BMC Nephrology

Table 4 Multivariate models in SICS-I

	Univariate OR^a (95% CI)	Multivariate OR^a (95% CI)	Pseudo R²	H-L GoF	p-value H-L	AUROC	95% CI
Original model			0.15	8.22	0.41	0.76	0.74–0.78
(A) Presence of AKI^b	2.12 (1.60–2.82)	1.72 (1.24–2.36)	0.14	2.87	0.94	0.75	0.71–0.78
(B) Severity of AKI^b	1.44 (1.29–1.61)	1.36 (1.20–1.54)	0.15	6.53	0.58	0.76	0.72–0.79
(C) Duration of AKI^b	3.13 (2.26–4.32)	2.68 (1.84–3.92)	0.15	3.62	0.88	0.76	0.73–0.79
(D) AKI burden^b	6.95 (4.36–11.11)	6.03 (3.50–10.38)	0.16	8.18	0.42	0.77	0.74–0.80

Abbreviations: AKI Acute Kidney Injury, OR Odds Ratio, CI Confidence Interval, H-L Hosmer Lemeshow, GoF Goodness of Fit, AUROC Area under the receiver operating curve. ^aOR of the different methods for AKI in the corresponding model, which were categorical (A and B), or per additional day or point (C and D). ^bAll models included 1032 patients

ISSN: 1471-2369