Demographics
| |
IQR
| |
IQR
| |
Age, yr
|
65
|
[40.6–74.3]
|
41
|
[28.7–59.1]
|
0.003
|
Female sex
|
4/23
|
17.4 %
|
56/134
|
41.8 %
|
0.035
|
Immunosuppression
|
9/23
|
39.1 %
|
20/134
|
14.9 %
|
0.016
|
Alcohol use disorder
|
7/23
|
30.4 %
|
11/132
|
8.3 %
|
0.007
|
Asplenia
|
2/23
|
8.7 %
|
4/133
|
3.0 %
|
NS
|
HIV infection
|
3/23
|
13.0 %
|
5/133
|
3.8 %
|
0.096
|
Severity at ICU admission
|
Glasgow Coma Scale score
|
7
|
[4–9]
|
12
|
[9–15]
|
<10−3
|
Mechanical ventilation
|
20/21
|
95.2 %
|
40/115
|
34.8 %
|
0.004
|
Severe sepsis or septic shock
|
21/21
|
100.0 %
|
94/115
|
81.7 %
|
0.043
|
SAPS II
|
64
|
[53–73]
|
27
|
[15–36]
|
<10−3
|
LOD system
| | | | | |
Neurologic
|
21/21
|
100.0 %
|
61/115
|
53.0 %
|
<10−3
|
Pulmonary
|
20/21
|
95.2 %
|
40/115
|
34.8 %
|
<10−3
|
Hematologic
|
12/21
|
57.1 %
|
45/115
|
39.1 %
|
0.151
|
Cardiovascular
|
12/21
|
57.1 %
|
38/115
|
33.0 %
|
0.048
|
Renal
|
13/21
|
61.9 %
|
19/115
|
16.5 %
|
<10−3
|
Hepatic
|
0/21
|
0.0 %
|
0/115
|
0.0 %
|
–
|
Microbiology
|
CSF white cell count/mm3
|
1900
|
[290–4500]
|
1770
|
[494–5050]
|
NS
|
CSF protein rate, g/L
|
8.4
|
[4.7–10.6]
|
3.1
|
[1.8–4.9]
|
<10−3
|
Positive direct examination of CSF
|
17/22
|
77.3 %
|
84/130
|
64.6 %
|
NS
|
Streptococcus pneumoniae as causative bacterium
|
18/23
|
81.8 %
|
58/134
|
43.3 %
|
0.003
|
Penicillin non-susceptible isolates
|
7/14
|
31.8 %
|
25/52
|
48.1 %
|
NS
|
Neisseria meningitidis as causative bacterium
|
1/23
|
4.5 %
|
43/134
|
32.1 %
|
0.005
|
Therapeutic measures
|
Time between hospital admission and first dose of antibiotic (h)
|
4
|
[1.9–8.5]
|
2.4
|
[0.7–6]
|
0.102
|
Association of antibiotics as initial therapy
|
22/23
|
95.7 %
|
97/134
|
72.4 %
|
0.016
|
Treatment with rifampin during the hospitalization
|
2/23
|
8.7 %
|
30/134
|
22.4 %
|
0.168
|
Early treatment with rifampin (within first 24 h)
|
0/23
|
0.0 %
|
19/134
|
14.2 %
|
0.078
|
Treatment with vancomycin during hospitalization
|
20/23
|
87.0 %
|
78/134
|
58.2 %
|
0.01
|
Early treatment with vancomycin (within first 24 h)
|
17/23
|
73.9 %
|
66/134
|
49.3 %
|
0.041
|
Treatment with corticosteroids during hospitalization
|
18/23
|
78.3 %
|
87/134
|
64.9 %
|
NS
|
Time between hospital admission and first dose of corticosteroids (h)
|
8
|
[5–13]
|
5.4
|
[1.7–9.5]
|
0.042
|