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Table 2 Correlation between CURB-65 score/PSI and independent variables including age, body mass index, and nutritional parameters

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

A. Univariate analysis of correlations between CURB-65 score and independent variables
Independent variables ≥65 years (n = 36) <65 years (n = 21)
 Age 0.235 (0.167) 0.463 (0.034*)
 Body mass index −0.025 (0.883) −0.210 (0.361)
 Lymphocyte count −0.164 (0.338) −0.197 (0.392)
 Serum albumin −0.249 (0.142) 0.015 (0.948)
 Total cholesterol −0.248 (0.146) −0.270 (0.237)
 Serum cholinesterase −0.122 (0.477) −0.424 (0.056)
B. Univariate analysis of correlations between PSI and independent variables
Independent variables ≥65 years (n = 36) <65 years (n = 21)
 Age 0.467 (0.004*) 0.640 (0.002*)
 Body mass index −0.084 (0.627) −0.012 (0.958)
 Lymphocyte count −0.263 (0.122) −0.145 (0.531)
 Serum albumin −0.156 (0.365) −0.076 (0.744)
 Total cholesterol −0.287 (0.089) −0.016 (0.946)
 Serum cholinesterase −0.148 (0.388) −0.367 (0.102)
  1. *P < 0.05. Data are presented as correlation coefficient (P-value)