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Table 2 Comparison of episodes of acute community-acquired Lm meningitis versus other aetiologies

From: Three-year multicenter surveillance of community-acquired listeria monocytogenes meningitis in adults

  Listeria monocytogenes (n = 43) Other agents (n = 232) p
Age (median ± IQR) 69 ± 30 56 ± 33 0.019
Gender (male) 24 (56) d 128 (55) 0.938
Immunocompromised 29 (67) 86 (37) <0.001
Previous otitis 1 (2.1) 43 (19.5) 0.005
Fever 39 (91) 186 (84) 0.246
Headache 29 (67) 166 (77) 0.146
Vomiting 20 (46) 132 (57) 0.070
Neck stiffness 30 (70) 167 (72) 0.204
Classic Triad a 21 (49) 90 (39) 0.533
GCS b at admission (median ± IQR) 13 ± 4 12 ± 4 0.664
Seizures 4 (9) 17 (7) 0.688
Focal neurological deficit 14 (32) 27 (12) 0.022
Cerebellum dysfunction 5 (12) 5 (2) <0.001
Hyponatremia 19 (44) 60 (26) 0.066
Duration of symptoms in hours (median ± IQR) 70 ± 53 48 ± 53 0.07
WBC count CSF c (median ± IQR) 550 ± 2480 2860 ± 9380 0.007
CSF neutrophils ( median±IQR) 70 ± 59 90 ± 13 <0.001
CSF/blood glucose (median ± IQR) 0.26 ± 0.24 0.09 ± 0.26 <0.001
Protein level g/L ( median ± IQR) 2.0 ± 1.96 3.68 ± 5.53 <0.001
Mortality 12 (29) 36 (16) 0.059
  1. a Triad of fever, neck stiffness and change in mental status.
  2. b GCS: Glasgow Coma Scale.
  3. c CSF: Cerebrospinal Fluid.
  4. d Results are expressed as n (%) unless otherwise specified