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