Table 1 Clinical characteristics of 150 bacterial CAP patients (non-survivors n = 75 vs. survivors n = 75) and in-hospital death cohort (n = 26)

Age years (mean ± SD)

78.6 ± 8.8

78 ± 8.7

76.7 ± 10.5

Male/female

31/44

31/44

7/19

Weight (mean ± SD)

158 ± 36.8

147.5 ± 42.3

145.63 ± 50.4

Hospital LOS

7.17 ± 4.1

9.85 ± 7.4

11.1 ± 11.4^Ŧ

ICU LOS

0.76 ± 2.3

1.97 ± 3.3

3.9 ± 4^Ŧ

APACHE III

60.4 ± 15.2

73.7 ± 20.6*

82.9 ± 24.4^Ŧ

PSI (day 0)

77.2 ± 5.7

97.8 ± 51.7*

121 ± 46.9

PSI (day 1)

112.4 ± 31.4

134.5 ± 38.7*

157.8 ± 41.7^Ŧ

PSI (day 1 no age)

38.2 ± 26.9

60 ± 38*

84.0 ± 41.0^Ŧ

Mechanical ventilation^a

4 (5.3)

20 (26.6)*

15 (57.6)^Ŧ

Noninvasive ventilation^a

5 (6.6)

12 (16)*

3 (11.5)

 Other respiratory diseases

25 (35)

33 (44)

9 (34)

 Neoplastic diseases

4 (5)

7 (9)

3 (11)

 Neurological diseases

10 (7)

17 (22)*

2 (8)

 Aids

0 (0)

1 (1.3)

1 (4)

 Sepsis

19 (32)

30 (47)

14 (53)^Ŧ

 Liver disease

0 (0)

1 (1.6)

1 (4)

 CHF

19 (33)

15 (24)

6 (25)

 Cerebrovascular disease

10 (5)

10 (6)*

1 (4)

 Renal disease

3 (5.7)

7 (11)

3 (12)^Ŧ

 Altered mental status

6 (10.5)

11 (18)*

8 (33)^Ŧ

Smoker

50 (66)

51 (68)

19 (73)

Alcoholism

22 (29)

16 (21)

5 (19)

Pregnancy

21 (16)

10 (13)

1 (4)

 Lowest temperature (°C)

36.43 ± 0.58

36.46 ± 2.1

36.39 ± 2.5

 Highest temperature (°C)

37.20 ± 0.68

37.27 ± 0.88

37.15 ± 0.81

 Pulse ≥ 125/min

6 (8)

12 (16)

6 (23)

 BUN ≥ 30 mg/dl

12 (16)

27 (36)*

15 (57)^Ŧ

 Respiratory rate/min

9 (15)

17 (27)

9 (34)^Ŧ

 PO² < 60 mm/Hg

21 (36)

24 (44)

13 (50)

 pH < 7.35

3 (4)

4 (6)*

4 (15)

 Lowest systolic BP (mm/Hg)

118 ± 19

116 ± 24

115 ± 21

 Highest systolic BP (mm/Hg)

146 ± 22

148 ± 25

149 ± 23

 Highest creatinine (mg/dl)

1.27 ± 0.79

1.92 ± 1.59

1.95 ± 1.52