Table 2 Summary of univariately significant independent variables on LoS
Variable | p-value | Test type | Test value | Order of modelling |
|---|---|---|---|---|
Admission year | <0.0001 | Mann-Whitney | U = 104842283 | 1 |
Age at admission | <0.0001 | Spearman’s | r = 0.26 | 2 |
Age2 | <0.0001 | Spearman's | r = 0.26 | 3 |
Gender | <0.0001 | Mann-Whitney | U = 652862 | 4 |
Consultant | <0.0001 | Kruskal-Wallis | χ 2(9) = 75.76 | 5 |
Admission day of week | <0.0001 | Kruskal-Wallis | χ 2(6) = 146.15 | 6 |
Discharge destination | <0.0001 | Kruskal-Wallis | χ 2(2) = 35.37 | 7 |
IMD | 0.01 | Spearman’s | r = 0.06 | 8 |
Ethnicity | 0.03 | Mann-Whitney | U = 68095 | 9 |