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Table 2 Salmonella sero-incidence, serum immunoglobulin concentration, incidence of reported cases, and population incidence estimate derived from infection risk in Swedish travellers

From: Serological cross-sectional studies on salmonella incidence in eight European countries: no correlation with incidence of reported cases

Country Sero-incidencea (95 % CI) IgGb IgMb IgAb Reported casesa Multiplier Incidence estimated from risk in Swedish travellersa Multiplier
  (A)     (B) (A/B) (C) (A/C)
Finland 56 (8–151) 0.05 0.09 0.03 0.55 102 0.08 140c
Sweden 58 (8–155) 0.06 0.10 0.02 0.43 134 n/a n/a
Denmark 84 (41–141) 0.07 0.10 0.04 0.29 289 0.81 104
The Netherlands 149 (78–245) 0.17 0.11 0.04 0.14 1064 0.98 152
Italy 239 (115–411) 0.24 0.14 0.06 0.12 1992 2.71 88
Romania 385 (217–613) 0.32 0.19 0.07 0.04 9625 14.57 26
France 404 (272–573) 0.25 0.21 0.07 0.20 2010 1.78 227
Poland 547 (343–813) 0.36 0.20 0.09 0.42 1302 16.26 33
  1. a per 1000 person-years.
  2. b median serum immunoglobulin concentration in arbitrary units of optical density.
  3. c adjusted for proportion of domestically acquired infections (~20%).
  4. CI = credible interval.
  5. n/a = not applicable.