Table 3 Multi-level analysis of the association between admission department and hydration of high-risk patients (n = 561)

Fixed effects

Successful hydration (constant)

1.45 (0.45)

1.46 (0.44)

Admission department

    Internal medicine

Reference

Reference

    Urology

1.01 (1.15)

1.04 (1.16)

    Cardiology

−0.69 (0.40)

−0.71 (0.40)

    Surgery

0.77 (0.58)

0.67 (0.58)

    Pulmonology

0.02 (0.84)

0.10 (0.85)

    Gastroenterology

−0.64 (0.60)

−0.75 (0.60)

    Day admission

0.13 (0.46)

0.16 (0.46)

    No admission/unknown

−2.73 (0.43)***

−2.71 (0.43)***

    Other departments

0.36 (0.57)

0.39 (0.58)

Age patient

0.02 (0.01)

Sex patient

−0.28 (0.22)

Random effects

ICC

33.31

33.38

Hospital level variance

1.64 (0.63)**

1.58 (0.61)**