Table 1 Patients’ baseline demographic characteristics

Age (years, mean ± SE)

76 ± 11

Male gender (%)

52.9 %

Charlson Comorbidity Index (age adjusted, mean ± SE)

6.83 ± 2.8

Norton score (mean ± SE)

11.9 ± 2.52

Length of hospital stay (days prior to IHWP, mean ± SE)

14.1 ± 2.83

Length of IHWP (days, mean ± SE)

15.7 ± 4.8