Table 2 Findings of univariable analysis

Age

<1 year

6 (0.4%)

0 (0%)

0.641

1 - 15 years

5 (0.3%)

0 (0%)

16 - 44 years

346 (23.8%)

7 (15.2%)

45 - 64 years

380 (26.1%)

12 (26.1%)

≥ 65 years

718 (49.3%)

27 (58.7%)

Gender

Male

766 (52.6%)

27 (58.7%)

0.418

Female

689 (47.4%)

19 (41.3%)

Residence

Other Italian Region

77 (5.3%)

0 (0%)

0.109

Lazio

1378 (94.7%)

46 (100%)

Citizenship

Italian

1370 (94.2%)

45 (97.8%)

0.292

Foreign

85 (5.8%)

1 (2.2%)

Marital status

Not married

286 (19.7%)

6 (13.0%)

0.115

Married

914 (62,8%)

25 (54.3%)

Separated

41 (2.8%

3 (6.5%)

Divorced

36 (2.5%)

2 (4.3%)

Widow

178 (12.2%)

10 (2.7%)

Lenght of stay

6 (7)

15 (20)

<0.001

(median and interquartile range)

Type of admission (1499)

Elective

629 (43.3%)

10 (21.7%)

<0.001

Emergency

824 (56.7%)

36 (78.2%)

Referral source (1499)

Different mode from ordinary admission

4 (0.3%)

0 (0%)

<0.001

Emergency Department of the same hospital

800 (55.1%)

32 (69.7%)

General Practicioner or Specialist

624 (42.3%)

10 (21.7%)

Transfered form other facility

25 (1.7%)

4 (8.7%)

Discharge unit

Medical ward

1153 (79.2%)

33 (71.7%)

<0.001

Surgical ward

283 (19.5%)

9 (19.6%)

Intensive Care Unit

19 (1.3%)

4 (8.7%)

Charlson Index

0 (1)

0 (1)

0.99

(median and interquartile range)