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Table 4 Cox regression analysis of 90-day mortality in AHF patients grouped by PNI and BMI

From: Effects of obesity on short-term mortality in patients with acute heart failure under different nutritional status

Subgroups

Unadjusted

Adjusted

HR

95%CI

P

HR

95%CI

P

High-PNI

< 25 kg/m2

Ref

25-30 kg/m2

0.45

0.25–0.81

0.007**

0.40

0.22–0.75

0.004**

> 30 kg/m2

0.32

0.18–0.60

< 0.001***

0.32

0.17–0.60

< 0.001***

Low-PNI

< 25 kg/m2

Ref

25-30 kg/m2

0.87

0.64–1.18

0.360

0.90

0.65–1.22

0.473

> 30 kg/m2

0.63

0.46–0.87

0.005**

0.78

0.56–1.09

0.150

  1. Adjusted for age, gender, heart rate, serum creatinine, white blood cell count (WBC), Hemoglobin, N-terminal probrain natriuretic peptide (NT-proBNP), hypertension, hyperlipidemia, cardiogenic shock, sequential organ failure assessment (SOFA) score and continuous renal replacement therapy (CRRT);
  2. AHF, acute heart failure; PNI, prognostic nutritional index; BMI, body mass index; Ref, reference; HR, Hazard ratio; CI, Confidence interval; *P < 0.05; **P < 0.01; ***P < 0.001