Table 3 Length of stay and direct cost between the three groups
Length of stay (day) | Direct cost (US dollar) | |
Group 0 | 20.3 | 20637.6 |
Group 1 | 20.9 | 21049.3 |
Group 2+ | 22.3 | 21899.3 |
P value | ||
Group 0–group 1 | 1 | 1 |
Group 0–group 2+ | 0.009 | 0.03 |
Group 1–group 2+ | 0.05 | 0.3 |