Table 2.
Factors associated with 30-day unexpected rehospitalization in the logistic regression model
| Variables | Univariate | Multivariate | ||
|---|---|---|---|---|
| OR(95%CI) | P value | OR(95%CI) | P value | |
| Age (every 1 year↑) | 1.02 (1.00,1.03) | 0.007 | 1.01 (1.00,1.03) | 0.091 |
| Gender (female vs. male) | 1.02 (0.72,1.44) | 0.921 | 1.08 (0.75,1.54) | 0.691 |
| Diabetes mellitus (yes vs.no) | 1.34 (0.93,1.93) | 0.119 | 1.08 (0.70,1.67) | 0.738 |
| CVD history (yes vs.no) | 1.15 (0.77,1.71) | 0.499 | 0.90 (0.57,1.41) | 0.633 |
|
Length of index hospital stay (every 1 day↑)a |
1.02 (1.00,1.04) | 0.001 | 1.02 (1.00,1.03) | 0.036 |
| Hyponatremia (yes vs.no) | 2.21 (1.29,3.79) | 0.004 | 1.85 (1.06,3.24) | 0.031 |
| Albumin (every 1 g/L↑) | 0.96 (0.93,0.99) | 0.017 | 0.97 (0.94,1.01) | 0.104 |
Variables that p < 0.1 in univariate analysis and with clinical significance were included in multivariate analysis
Abbreviations: OR odds ratio, CI confidence interval, vs. verse, CVD cardiovascular disease
aLength of index hospital stay refers to the hospitalization days during which patients obtained peritoneal dialysis (PD) catheterization and began PD treatment