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Table 5 Correlations between length of stay and independent variables in univariate analysis

From: Nutritional parameters affecting severity of pneumonia and length of hospital stay in patients with pneumococcal pneumonia: a retrospective cross-sectional study

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)
  1. *P < 0.05. Data are presented as correlation coefficient (P-value)