Table 1 Patients' characteristics

Number

54

Sex ratio (male/female)

31/23

Age (years)

Age >80 years

69.5 ± 6.5

14(26%)

Length of hospital stay (days)

15.9 ± 7.6

30 day survey

Pneumonia related mortality

Mortality (other causes)

39 (72.2%)

4(7.4%)

11(20.4%)

Fine mean ± SD

148 ± 19

Fine group

I

0(0%)

II

0(0%)

III

2(4%)

IV

21(39%)

V

31(57%)

CURB 65 mean ± SD

1.6 ± 1

CURB 65 stratum:

0

7(13%)

1

19(35%)

2

17(31%)

3

9(17%)

4

2(4%)

5

0(0%)

Ventilator support

Non-invasive ventilation

37 (68%)

Tracheal intubation

17 (32%)

Comorbidities

Neoplasic disease

19 (35.2%)

Liver disease

3 (5.6%)

Congestive heart failure

12 (22.2%)

Cerebrovascular disease

4 (7.4%)

Renal disease

13 (24.1%)

Physical examination findings

Altered mental status

17 (31.5%)

Respiratory rate >30 breaths/min

31 (57.4%)

Systolic blood pressure <90 mmHg

11 (20.4%)

Pulse >125 beats/min

28 (51.9%)

Laboratory and radiographic findings

Arterial pH <7.35

16 (29.6%)

Blood urea nitrogen ≥30 mg/dL

29 (53.7%)

Sodium <130 mmol/L

10 (18.5%)

Glucose ≥250 mg/dL (14 mmol/L)

6 (11.1%)

Hematocrit <30%

5 (9.3%)

Partial pressure of arterial oxygen <60 mmHg

35 (64.8%)

Pleural effusion

12 (22.2%)

HCAP Criteria:

Resident of a nursing home or long-term care facility

6 (11.1%)

Hospitalized for two or more days in an acute care facility within 90 days of infection

14 (26%)

Attended a hospital or hemodialysis clinic or received recent intravenous antimicrobial therapy, immunosuppressive therapy, or wound care within 30 days of infection

33 (61%)

Nursing, intravenous infusion, or wound care at home within 30 days of infection

16 (29.6%)