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Table 1 Case characteristics

From: Nonspecific symptoms dominate at first contact to emergency healthcare services among cases with invasive meningococcal disease

  All
N = 38
Age <18 years
N = 17
Age ≥18 years
N = 21
p-value
Age (years)     -
- Median (interquartile range) 20 (5 and 61) 3 (1 and 16) 60 (37 and 77)  
Gender     <0.01
- Female 16 (42%) 2 (12%) 14 (67%)  
- Male 22 (58%) 15 (88%) 7 (33%)
Site of infection     
- Meningitis 8 (21%) 5 (29%) 3 (14%) 0.43
- Meningitis and sepsis 10 (26%) 5 (29%) 5 (24%) 0.72
- Sepsis 20 (53%) 7 (41%) 13 (62%) 0.32
Serogroup     
- B 12 (32%) 8 (47%) 4 (19%) 0.09
- C 5 (13%) 2 (12%) 3 (14%) 1.00
- W 10 (26%) 2 (12%) 8 (38%) 0.14
- Y 8 (21%) 3 (18%) 5 (24%) 0.71
- Unknown 3 (8%) 2 (12%) 1 (5%) 0.58
Year at disease     
- 2016 8 (21%) 2 (12%) 6 (29%) 0.26
- 2017 8 (21%) 4 (24%) 4 (19%) 0.69
- 2018 11 (29%) 8 (47%) 3 (14%) 0.02
- 2019 8 (21%) 2 (12%) 6 (29%) 0.26
- 2020 3 (8%) 1 (6%) 2 (10%) 1.00
Emergency service used     0.08
- 112: Emergency call center 13 (34%) 3 (18%) 10 (47%)  
- 1813: Medical helpline 25 (66%) 14 (82%) 11 (53%)
30-day mortality     0.31
- Survivor 34 (89%) 14 (82%) 20 (95%)  
- Non-survivor 4 (11%) 3 (18%) 1 (5%)
  1. List of case characteristics of the 38 cases with invasive meningococcal disease who had contact to emergency medical services prior to hospitalization between 2016 and 2020 in the Capital Region of Denmark. Cases are grouped as either children under 18 years of age or adults. Children were more likely to be male while adults were more likely to be female. In 2018 there were more children compared to adults. No other differences between the age groups were significant