. 2021 Mar 29;11:7123. doi: 10.1038/s41598-021-86680-7

Table 4.

Cox regression analysis for mortality groups by AKI/PNI.

	Multivariable analysis^a
	HR [95% CI]	p value
No AKI/PNI ≥ 47.8	Reference	–
No AKI/PNI < 47.8	1.33 [1.04, 1.69]	0.022
AKI/PNI ≥ 47.8	2.76 [1.87, 4.07]	< 0.001
AKI/PNI < 47.8	2.55 [1.77, 3.69]	< 0.001

^aAdjusted with age, sex, diabetes mellitus, hypertension, smoking, body mass index, hemoglobin, RDW-CV, eGFR, uric acid, CRP, proteinuria, AKI, medication usage at discharge such as statin and angiotensin II receptor blocker (ARB)/angiotensin converting enzyme inhibitor (ACEI).

HR hazard ratio, CI confidence interval, AKI acute kidney injury, PNI prognostic nutritional index.