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Table 4 Univariate Cox regression analyses for 6-month and 1-year all-cause mortality

From: The prognostic nutritional index predicts all-cause mortality in critically ill patients with acute myocardial infarction

Variables

6-month

1-year

HR (95%CI)

p-value

HR (95%CI)

p-value

Age

1.03 (1.01–1.04)

< 0.001

1.02 (1.01–1.03)

< 0.001

Male

0.84 (0.64–1.12)

0.230

0.85 (0.65–1.12)

0.256

SBP

0.98 (0.97–0.99)

0.001

0.98 (0.97–0.99)

0.001

DBP

1.00 (0.99–1.01)

0.992

1.00 (0.99–1.02)

0.890

CCU

0.29 (0.22–0.38)

< 0.001

0.28 (0.22–0.37)

< 0.001

Hypertension

0.38 (0.27–0.54)

< 0.001

0.39 (0.27–0.55)

< 0.001

DM

1.07 (0.82–1.40)

0.632

1.12 (0.86–1.47)

0.393

AF

1.52 (1.16-2.00)

0.002

1.48 (1.14–1.94)

0.004

CHF

1.70 (1.29–2.24)

< 0.001

1.73 (1.32–2.28)

< 0.001

CKD

1.82 (1.39–2.39)

< 0.001

1.82 (1.39–2.37)

< 0.001

Non-STEMI

0.75 (0.53–1.05)

0.097

0.78 (0.56–1.10)

0.153

HB

0.85 (0.81–0.90)

< 0.001

0.85 (0.80–0.90)

< 0.001

Bicarbonate

0.93 (0.89–0.97)

< 0.001

0.94 (0.90–0.97)

< 0.001

CR

1.16 (1.11–1.21)

< 0.001

1.17 (1.12–1.22)

< 0.001

Potassium

1.30 (1.12–1.50)

0.001

1.31 (1.14–1.52)

< 0.001

PT

1.03 (1.02–1.05)

< 0.001

1.03 (1.02–1.05)

< 0.001

Antiplatelet drugs

0.30 (0.21–0.42)

< 0.001

0.31 (0.22–0.43)

< 0.001

Beta-blockers

0.21 (0.16–0.28)

< 0.001

0.22 (0.17–0.29)

< 0.001

ACEI/ARB

0.26 (0.18–0.37)

< 0.001

0.29 (0.20–0.40)

< 0.001

Stains

0.27 (0.20–0.37)

< 0.001

0.28 (0.21–0.39)

< 0.001

SOFA score

1.23 (1.19–1.27)

< 0.001

1.22 (1.19–1.26)

< 0.001

CCI

1.17 (1.12–1.23)

< 0.001

1.18 (1.13–1.23)

< 0.001

PNI (continuous)

0.93 (0.91–0.94)

< 0.001

0.93 (0.91–0.94)

< 0.001

PNI (categorical)

 

< 0.001

 

< 0.001

 Group 1

4.23 (3.08–5.81)

< 0.001

4.43 (3.23–6.08)

< 0.001

 Group 2

Reference

 

Reference

 
  1. SBP: systolic blood pressure; DBP: diastolic blood pressure; CCU: cardiac care unit; DM: diabetes mellitus; AF: atrial fibrillation; CHF: congestive heart failure; CKD: chronic kidney disease; non-STEMI: non-ST segment elevation myocardial infarction; HB hemoglobin; CR: creatinine; PT: prothrombin time; ACEI/ARB: angiotensin-converting enzyme inhibitors/angiotensin receptor blockers; SOFA score: sequential organ failure assessment score; CCI: charlson comorbidity index; PNI: prognostic nutritional index; HR: hazard ratio; CI: confidence interval. A p value < 0.05 was regarded as statistical significance. Group 1: PNI < 41.50, Group 2: PNI ≥ 41.50