Research Article

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.

VariableOR (95% CI) value

Comorbidities1.089 (0.674–1.760)0.727
BMI 1.760 (1.281–2.419)0.000
MUST
 Well nourished1.0Reference
 Risk of malnutrition2.054 (1.042–4.052)0.038
 Malnutrition7.330 (3.494–15.376)0.000
Recent weight loss 2.950 (1.1797–4.850)0.000
Abnormal appetite status1.745 (1.252–3.151)0.000
Quantity of food last week
 Normal1.0Reference
 50% of normal1.577 (0.770–3.228)0.213
 25% of normal4.318 (1.906–8.983)0.000
 None7.483 (3.414–16.403)0.000
Autonomy
 Walk with no assistance1.0Reference
 Walk only with assistance3.091 (1.515–6.303)0.002
 Bedridden 6.831 (3.105–5.028)0.000
Nutrition type
 Hospital food1.0 Reference
 Specific diet1.681 (1.004–2.815)0.048
 Enteral4.109 (1.109–11.219)0.007
 TPN6.560 (1.672–15.739)0.005
Midarm circumference <21 cm6.519 (2.291–18.549)0.000
Calf circumference <31 cm2.551 (1.506–4.318)0.000
Health status self-assessment1.572 (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.