Patient characteristics n (%) or median IQR
|
Total
|
Excluded CAPa
|
Definite CAP
|
p
|
OR
|
p
|
---|
N = 157
|
N = 59
|
N = 98
|
[95 % CI]
|
---|
Cough
|
122 (77.7)
|
41 (69.5)
|
81 (82.7)
|
0.047
|
-
| |
Chest pain
|
53 (33.7)
|
16 (27.1)
|
37 (37.8)
|
0.168
|
-
| |
Expectoration
|
78 (49.7)
|
27 (45.8)
|
51 (52.0)
|
0.509
|
-
| |
Dyspnea
|
111 (70.7)
|
44 (74.6)
|
67 (68.4)
|
0.471
|
-
| |
Chills
|
52 (33.1)
|
21 (35.6)
|
31 (31.6)
|
0.727
|
-
| |
Headaches
|
33 (21.0)
|
9 (15.2)
|
24 (24.5)
|
0.225
|
-
| |
Myalgia
|
35 (22.3)
|
11 (18.6)
|
24 (24.5)
|
0.432
|
-
| |
Crackles
|
49 (31.2)
|
13 (22.0)
|
36 (36.7)
|
0.051
|
-
| |
Fever
|
51 (32.5)
|
10 (16.9)
|
41 (41.8))
|
0.001
|
3.15 [1.29-7.73]
|
0.012
|
Confusion
|
0
|
0
|
0
|
-
|
-
| |
Respiratory rate > 30/min
|
19 (12.1)
|
7 (11.9)
|
12 ()
|
0.856
|
-
| |
Heart rate > 125/min
|
11 (7.0)
|
2 (3.4)
|
9 (9.2)
|
0.211
|
-
| |
Systolic blood pressure < 90 mmHg
|
3 (1.9)
|
0
|
3 (3.1)
|
0.292
|
-
| |
Diastolic blood pressure < 60 mmHg
|
10 (6.4)
|
1 ()
|
9 (9.2)
|
0.091
|
-
| |
White blood cells > 10.103 /mm3
|
86 (54.8)
|
22 (37.3)
|
64 (65.3)
|
0.004
|
-
| |
PaO2 < 60 mmHg or Sat02 < 90 %
|
18 (11.4)
|
6 (10.1)
|
12 (12.2)
|
0.799
|
-
| |
CRP
|
74 [21.3 – 146.1]
|
17.3 [3.6 – 57.5]
|
125.1 [65.0 - 208.7]
|
<0.001
|
1.02 [1.01-1.03]
|
<0.001
|
PCT
|
0.17 [0.07 – 0.72]
|
0.09 [0.06 - 0.28]
|
0.24 [0.11 - 1.38]
|
<0.001
|
-
|
-
|
-
CAP community-acquired pneumonia, CRP C-reactive protein, PCT procalcitonin
-
aPatients with excluded CAP without extra-pulmonary infections
- The bold data correspond to the variables included into the multivariate logistic regression