Table 5.

Adjusted relative risk for hospital mortality by trajectory and KDIGO classification in group 2 (mixed medical-surgical)

			Relative risk (95% CI)
	Participants	Events, n (%)	Model 1	Model 2	Model 3
No AKI	573	62 (10.8)	1.00 (reference)	1.00 (reference)
KDIGO AKI stage
Stage 1	944	148 (15.7)	1.27 (0.96–1.69)	1.05 (0.78–1.43)	–
Stage 2	165	35 (21.2)	1.75 (1.19–2.57)	1.23 (0.85–1.78)	–
Stage 3	185	39 (21.1)	1.68 (1.14–2.48)	1.2 (0.84–1.73)	–
Subphenotype
Resolving	875	115 (13.1)	1.05 (0.78–1.43)	0.86 (0.63–1.17)	0.95 (0.64–1.41)
Nonresolving	419	107 (25.5)	2.04 (1.52–2.75)	1.52 (1.13–2.05)	1.68 (1.15–2.44)

AKI Acute kidney injury, KDIGO Kidney Disease: Improving Global Outcomes

Model 1: Age, sex, race

Model 2: Body mass index, diabetes mellitus, Sepsis-related Organ Failure Assessment score, vasopressor use, sepsis

Model 3: Maximum KDIGO stage of AKI