Skip to main content

Table 6 Multivariate stepwise linear regression analysis of factors associated with length of stay

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

1. Factors associated with length of stay in the ≥65-year-old group (r = 0.778; r 2 = 0.605; adjusted r 2 = 0.554)
Independent variables B (95 % CI) β t VIF P
 Fasting period 0.718 (0.239–1.198) 0.399 3.055 1.340 0.005*
 Lymphocyte count 0.003 (0.001–0.006) 0.315 2.680 1.086 0.012*
 Serum albumin −6.345 (−11.778 to −0.913) −0.292 −2.382 1.176 0.024*
 Age 0.446 (0.012–0.880) 0.267 2.098 1.086 0.044*
2. Factors associated with hospitalization period in the <65-year-old group (r = 0.558; r 2 = 0.311; adjusted r 2 = 0.275)
 Independent variable B (95 % CI) β t VIF P
 Serum total cholesterol −0.043 (−0.074 to −0.012) −0.558 3.055 1.000 0.009*
  1. *P < 0.05