|
Age (years)
|
67 (17)
|
72 (16)
|
0.09
|
|
Gender (male)
|
19 (61)
|
314 (57)
|
0.65
|
|
Heart failure
|
11 (36)
|
105 (19)
|
0.03
|
|
Chronic obstructive pulmonary disease
|
5 (16)
|
117 (21)
|
0.49
|
|
Chronic liver disease
|
1 (3)
|
6 (1)
|
0.29
|
|
Active cancer
|
3 (10)
|
35 (6)
|
0.47
|
|
Chronic renal disease
|
5 (16)
|
83 (15)
|
0.88
|
|
Diabetes
|
3 (10)
|
93 (17)
|
0.29
|
|
Neurological disease
|
5 (16)
|
61 (11)
|
0.39
|
|
Alcohol abuse
|
5 (16)
|
54 (10)
|
0.26
|
|
Number of comorbidities
|
|
0
|
12 (39)
|
217 (40)
| |
|
1
|
8 (26)
|
177 (32)
|
0.63
|
|
> 1
|
11 (36)
|
155 (28)
| |
|
Previous antibiotic treatment
|
0
|
26 (5)
|
0.22
|
|
Cough
|
24 (77)
|
457 (84)
|
0.38
|
|
Sputum
|
15 (48)
|
326 (60)
|
0.22
|
|
Chest pain
|
5 (17)
|
187 (34)
|
0.05
|
|
Dyspnea
|
22 (73)
|
383 (70)
|
0.70
|
|
Fever
|
24 (77)
|
370 (67)
|
0.25
|
|
Confusion
|
5 (16)
|
17 (3)
|
< 0.01
|
|
Temperature
|
38.2 (1.3)
|
37.9 (1.0)
|
0.03
|
|
Heart rate
|
99 (20)
|
98 (20)
|
0.85
|
|
Respiratory rate
|
25 (6)
|
24 (6)
|
0.64
|
|
Systolic blood pressure
|
135 (17)
|
133 (24)
|
0.64
|
|
Diastolic blood pressure
|
77 (11)
|
73 (14)
|
0.11
|
|
Hypoxemia (SpO2 < 90% on room air)
|
12 (40)
|
279 (52)
|
0.21
|
|
Focal signs on chest examination
|
24 (77)
|
461 (84)
|
0.33
|
|
Natremia (mmol/L) (N = 579)
|
133.4 (4)
|
135.9 (4)
|
< 0.01
|
|
Urea (mmol/L) (N = 569)
|
7.3 (4)
|
7.6 (5)
|
0.52
|
|
Glucose (mmol/L) (N = 565)
|
7.6 (2)
|
7.6 (3)
|
0.59
|
|
Leukocytes count (G/L)
|
11.5 (4.3)
|
13.6 (6.4)
|
0.09
|
|
Hematocrit (%)
|
39.3 (5)
|
39.2 (5)
|
0.88
|
|
Platelets count (G/L)
|
212.2 (89)
|
233.8 (97)
|
0.12
|
|
Procalcitonin (ug/L) (N = 540)
|
1.5 (3)
|
3.8 (14)
|
0.81
|
|
C-reactive protein (mg/ L) (N = 230)
|
265.6 (112)
|
180.4 (138)
|
< 0.01
|
|
Pleural effusion
|
6 (19)
|
91 (17)
|
0.69
|
|
Pneumonia Severity Index score
|
86.3 (24)
|
84.2 (25)
|
0.59
|
|
Season of inclusion
| | | |
|
Winter
|
5 (16)
|
207 (38)
|
0.03
|
|
Spring
|
6 (19)
|
123 (22)
| |
|
Summer
|
5 (16)
|
76 (14)
| |
|
Autumn
|
15 (48)
|
143 (26)
| |