Patients < 60 years

N = 1135

Patients ≥ 60 years

N = 707

Total

N = 1842

P value

Age

Mean (SD)

43.8 (9.8)

73.1 (9.5)

55.0 (17.2)

<0.0001a

Age of first hospitalisation

Mean (SD)

37.4 (9.6)

65.3 (9.7)

48.1 (16.6)

<0.0001a

Gender

(% women)

605 (53.3)

441 (62.4)

1046 (56.8)

<0.0001b

Number of hospitalisations per year

Mean (SD)

0.18 (0.18)

0.24 (0.26)

0.21 (0.22)

<0.0001a

Number of days of hospitalisations per year

Mean (SD)

6.47 (14.6)

12.50 (21.40)

8.96 (17.95)

<0.0001a

Length of stay (days)

Mean (SD)

30.4 (47.4)

48.1 (65.3)

37.0 (55.4)

<0.0001a

Length of stay (days)

N (%)

<14

338 (33.6)

112 (18.7)

450 (28.1)

<0.0001b

14 to 28

322 (32)

135 (22.6)

457 (28.5)

29 to 42

159 (15.8)

138 (23.1)

297 (18.5)

>42

186 (18.5)

213 (35.6)

399 (24.9)

At least one compulsory hospitalisation

(%)

681 (60.0)

338 (47.8)

1019 (55.3)

<0.0001b

At least one seclusion during an hospitalisationc

(%)

232 (34.1)

73 (21.6)

305 (29.9)

<0.0001b