Prognostic Indices of Poor Nutritional Status and Their Impact on Prolonged Hospital Stay in a Greek University Hospital
Table 2
Univariate logistic regression analysis of the association between factors related to nutrition status and prolongation of LOS.
Variable
OR (95% CI)
value
Comorbidities
1.089 (0.674–1.760)
0.727
BMI
1.760 (1.281–2.419)
0.000
MUST
Well nourished
1.0
Reference
Risk of malnutrition
2.054 (1.042–4.052)
0.038
Malnutrition
7.330 (3.494–15.376)
0.000
Recent weight loss
2.950 (1.1797–4.850)
0.000
Abnormal appetite status
1.745 (1.252–3.151)
0.000
Quantity of food last week
Normal
1.0
Reference
50% of normal
1.577 (0.770–3.228)
0.213
25% of normal
4.318 (1.906–8.983)
0.000
None
7.483 (3.414–16.403)
0.000
Autonomy
Walk with no assistance
1.0
Reference
Walk only with assistance
3.091 (1.515–6.303)
0.002
Bedridden
6.831 (3.105–5.028)
0.000
Nutrition type
Hospital food
1.0
Reference
Specific diet
1.681 (1.004–2.815)
0.048
Enteral
4.109 (1.109–11.219)
0.007
TPN
6.560 (1.672–15.739)
0.005
Midarm circumference <21 cm
6.519 (2.291–18.549)
0.000
Calf circumference <31 cm
2.551 (1.506–4.318)
0.000
Health status self-assessment
1.572 (1.248–1.979)
0.000
Note. Univariate analysis with each variable entered in logistic regression analysis separately. with hospital LOS ≤ 7 days versus with hospital LOS > 7 days. The odds ratio (OR) for “BMI” is for each increase in score unit, whereas all other variables are categorical.