Table 5 Correlations between length of stay and independent variables in univariate analysis
Independent variables | ≥65 years (n = 36) | <65 years (n = 21) |
|---|---|---|
Age | 0.479 (0.003*) | −0.062 (0.788) |
Body mass index | −0.488 (0.003*) | −0.145 (0.532) |
Nutritional parameters | ||
Lymphocyte count | 0.305 (0.071) | −0.163 (0.480) |
Serum albumin | −0.527 (0.001*) | −0.542 (0.011*) |
Total cholesterol | 0.244 (0.152) | −0.558 (0.009*) |
Serum cholinesterase | −0.516 (0.001*) | −0.493 (0.023*) |
Parameters related to nutrition support | ||
Fasting period | 0.567 (<0.001*) | 0.403 (0.070) |
Oral caloric intake | −0.445 (0.007*) | 0.077 (0.740) |
PPN caloric intake | 0.163 (0.342) | 0.237 (0.301) |
PPN duration | 0.832 (<0.001*) | 0.115 (0.620) |
Parameters associated with pneumonia severity | ||
CURB-65 score | 0.295 (0.146) | 0.438 (0.047*) |
PSI | 0.146 (0.396) | 0.282 (0.215) |