- One-way ANOVA analysis to compare the RDW based on different lengths of stay.
| Length of stay | N | Mean±SD | F-statistics (p-value) |
|---|---|---|---|
| Short stay:< 24 hours | 12 | 15.1583± 2.29801 | 0.974 (0.405) |
| Medium stay: 1-3 days | 245 | 15.0706± 2.81536 | |
| Long stay: 4-7 days | 100 | 15.1311± 2.33441 | |
| Very long stay: >7 days | 20 | 16.1450± 3.22873 |
P-value significant<0.05, RDW: Red cell distribution width, ANOVA: Analysis of variance