Table 1 Characteristics of the 100 included patients in the prospective cohort study

Male sex

2

21 (23)

1

Age, median years (IQR)

82 (81–83)

85 (80–90)

82/81

Charlson comorbidity index, median (IQR)

8 (5–9)

6 (5–8)

4/6

Medication in the 90 days prior to admission:

 Antibiotic therapy

1

33 (35)

2

 Proton pump inhibitors

3

38 (41)

0

 Corticotherapy (>25 mg/day)

0

2 (2)

1

Diagnosis of CDI in previous year

0

1 (1)

0

Hospital stay in previous year

4

57 (61)

2

Hospital stay in previous 90 days

3

41 (44)

2

Length of last hospital stay, median days (IQR)

27 (15–37)

16 (5–25)

124/5

Origin at ward admission:

 Home

4

76 (82)

1

 LTCF

1

6 (6)

0

 Transferred from another ward

0

11 (12)

1

Length of current ward stay in days, median (IQR)

10 (9–14)

24 (14–37)

30/29

Antibiotic therapy during ward stay

2

36 (39)

2