Table 6 Subgroup analysis of the association between GNRI and in-hospital mortality in patients with sepsis.

From: Prognostic nutritional indices predict 60 day mortality in ICU patients with sepsis

Variable

N (%)

Levels

HR (95% CI)

P value

P for interaction

Age

    

0.601

> 65

781 (47.4)

Q1

Reference

  
  

Q2

0.8 (0.57–1.12)

0.194

 
  

Q3

0.61 (0.4–0.91)

0.017

 

≤ 65

868 (52.6)

Q1

Reference

  
  

Q2

0.82 (0.58–1.16)

0.264

 
  

Q3

0.75 (0.53–1.07)

0.109

 

Gender

    

0.921

F

656 (39.78)

Q1

Reference

  
  

Q2

0.82 (0.56–1.21)

0.315

 
  

Q3

0.65 (0.43–0.96)

0.031

 

M

993 (60.22)

Q1

Reference

  
  

Q2

0.78 (0.57–1.07)

0.129

 
  

Q3

0.69 (0.49–0.98)

0.036

 

Race

    

0.103

Black

167 (10.13)

Q1

Reference

  
  

Q2

1.22 (0.56–2.67)

0.614

 
  

Q3

0.18 (0.04–0.81)

0.025

 

Others

454 (27.53)

Q1

Reference

  
  

Q2

0.81 (0.54–1.22)

0.322

 
  

Q3

0.73 (0.48–1.11)

0.137

 

White

1028 (62.34)

Q1

Reference

  
  

Q2

0.76 (0.55–1.07)

0.113

 
  

Q3

0.72 (0.51–1.02)

0.066

 

Marital status

    

0.134

Divorced

120 (7.28)

Q1

Reference

  
  

Q2

0.22 (0.06–0.77)

0.017

 
  

Q3

0.37 (0.13–1.05)

0.062

 

Married

714 (43.30)

Q1

Reference

  
  

Q2

0.86 (0.58–1.28)

0.466

 
  

Q3

0.75 (0.5–1.13)

0.168

 

Others

222 (13.46)

Q1

Reference

  
  

Q2

0.66 (0.4–1.06)

0.088

 
  

Q3

0.91 (0.53–1.54)

0.719

 

Single

468 (28.38)

Q1

Reference

  
  

Q2

1.07 (0.64–1.79)

0.809

 
  

Q3

0.83 (0.48–1.43)

0.496

 

Widowed

125 (7.58)

Q1

Reference

  
  

Q2

0.9 (0.35–2.3)

0.832

 
  

Q3

0.31 (0.09–1.05)

0.059

 

Myocardial infarction

    

0.424

No

1409 (85.45)

Q1

Reference

  
  

Q2

0.84 (0.64–1.1)

0.214

 
  

Q3

0.67 (0.5–0.89)

0.006

 

Yes

240 (14.55)

Q1

Reference

  
  

Q2

0.63 (0.35–1.15)

0.136

 
  

Q3

0.76 (0.42–1.4)

0.382

 

CHF

    

0.156

No

1263 (76.59)

Q1

Reference

  
  

Q2

0.85 (0.64–1.13)

0.26

 
  

Q3

0.77 (0.57–1.04)

0.088

 

Yes

386 (23.41)

Q1

Reference

  
  

Q2

0.68 (0.43–1.09)

0.109

 
  

Q3

0.42 (0.24–0.72)

0.002

 

Diabetes

    

0.049

No

1317 (79.87)

Q1

Reference

  
  

Q2

0.78 (0.6–1.03)

0.082

 
  

Q3

0.78 (0.59–1.04)

0.092

 

Yes

332 (20.13)

Q1

Reference

  
  

Q2

0.85 (0.49–1.47)

0.555

 
  

Q3

0.37 (0.19–0.72)

0.003

 

Hypertension

    

0.464

No

794 (48.15)

Q1

Reference

  
  

Q2

0.76 (0.56–1.04)

0.09

 
  

Q3

0.75 (0.54–1.04)

0.082

 

Yes

855 (51.85)

Q1

Reference

  
  

Q2

0.94 (0.63–1.41)

0.764

 
  

Q3

0.67 (0.43–1.04)

0.072

 

Cerebrovascular disease

    

0.721

No

1473 (89.33)

Q1

Reference

  
  

Q2

0.8 (0.61–1.04)

0.09

 
  

Q3

0.65 (0.49–0.86)

0.003

 

Yes

176 (10.67)

Q1

Reference

  
  

Q2

0.81 (0.4–1.61)

0.541

 
  

Q3

0.87 (0.41–1.86)

0.728

 

Antibiotics

    

0.129

Beta-lactams

211 (12.80)

Q1

Reference

  
  

Q2

0.76 (0.41–1.39)

0.372

 
  

Q3

0.75 (0.4–1.4)

0.366

 

Glycopeptides

435 (26.38)

Q1

Reference

  
  

Q2

1.09 (0.7–1.71)

0.699

 
  

Q3

0.85 (0.52–1.39)

0.521

 

Macrolides

54 (3.27)

Q1

Reference

  
  

Q2

5.15 (0.91–29.2)

0.064

 
  

Q3

0.63 (0.05–7.42)

0.713

 

Others

949 (57.55)

Q1

Reference

  
  

Q2

0.62 (0.44–0.88)

0.007

 
  

Q3

0.56 (0.39–0.81)

0.002

 

Glucocorticoids

    

0.939

No

844 (51.18)

Q1

Reference

  
  

Q2

0.81 (0.56–1.17)

0.267

 
  

Q3

0.64 (0.43–0.96)

0.03

 

Yes

805 (48.82)

Q1

Reference

  
  

Q2

0.78 (0.56–1.08)

0.131

 
  

Q3

0.69 (0.49–0.97)

0.033

 
  1. Note: Results are expressed as HRs (95% CIs).