Volume 14, Number 1—January 2008
THEME ISSUE
International Polar Year
Research
International Circumpolar Surveillance System for Invasive Pneumococcal Disease, 1999–2005
, Shelley L. Deeks†1, Tammy Zulz*, Dana Bruden*, Christine Navarro†, Marguerite Lovgren‡, Louise Jette§, Karl G. Kristinsson¶, Gudrun Sigmundsdottir¶, Knud Brinkløv Jensen#, Oistein Lovoll**, J. Pekka Nuorti††, Elja Herva‡‡, Anders Nystedt§§, Anders Sjostedt¶¶, Anders Koch##, Thomas W. Hennessy*, Alan J. Parkinson*, and the International Circumpolar Surveillance System for Invasive Pneumococcal Disease Working Group
Table 2
Characteristics of persons with invasive pneumococcal disease, by country*
| Characteristic | Alaska, 1999–2005, n = 769 | Northern Canada, 1999–2005, n = 251 | Greenland, 2000–2005, n = 69 | Iceland, 2000–2005, n = 274 | Norway, 2000–2005, n = 5,744 | Northern Sweden, 2003–2005, n = 88 | Finland, 2000–2005, n = 4,049 |
|---|---|---|---|---|---|---|---|
| Median age (range) | 41.6 (1 mo–100 y) | 30.2 (0 mo– 83 y) | 44.7 (0 mo–91 y) | 53.2 (1 mo–98 y) | 63.2 (0 mo–99 y) | 65.8 (9 mo–98 y) | 54.2 (0 mo–100 y) |
| No. males (%) | 423 (55) | 149 (60) | 37 (54) | 145 (53) | 2,856 (50) | 40 (45) | 2,271 (56) |
| No. indigenous (%) | 372 (48) | 191 (84)† | NA | NA | NA | NA | NA |
| No. hospitalized (%) | 585 (77)‡ | 201 (87)‡ | 62 (100)‡ | NA | 5,567 (99)‡ | NA | NA |
| Duration of hospitalization, d, median (minimum–maximum) | 4 (0–188) | 5 (0–77) | 9 (0–131) | NA | NA | NA | NA |
| No. deaths (%) | 96 (13)§ | 11 (5)§ | 13 (20)§ | 30 (27)§ | 419 (9)§ | NA | NA |
*NA, not available.
†Ethnicity data missing from 24 (northern Canada) cases. Denominator = 227.
‡Hospitalization data missing for 9 (Alaska), 21 (northern Canada), 7 (Greenland), and 127 (Norway) cases. Denominators are 760, 230, 62, and 5,617, respectively.
§Death information missing for 10 (Alaska), 21 (northern Canada), 3 (Greenland), 161 (Iceland), and 1,1016 (Norway) cases. Denominators are 759, 230, 66, 113, and 4,728, respectively.
1Current affiliation: National Centre for Immunisation, Research and Surveillance, Westmead, New South Wales, Australia
2The International Circumpolar Surveillance System for Invasive Pneumococcal Disease Working Group: Jean-François Proulx (Department of Public Health, Nunavik Regional Board of Health and Social Services, Quebec City, Quebec, Canada); Robert Carlin (Department of Public Health, Cree Board of Health and Social Services of James Bay, Montreal, Quebec, Canada); Andre Corriveau, Cheryl Case (Northwest Territory Department of Health and Social Services, Yellowknife, Northwest Territories, Canada); Bryce Larke, Colleen Hemsley (Yukon Health and Social Services, Whitehorse, Yukon, Canada); Isaac Sobel, Carolina Palacios (Nunavut Department of Health, Iqaluit, Nunavut, Canada); Gregory Tyrell, Marguerite Lovgren (National Centre for Streptococcus, Edmonton, Alberta, Canada); Alisa Reasonover, Michael G. Bruce, Tammy Zulz, Dana Bruden, Thomas W. Hennessy, Alan J. Parkinson (Centers for Disease Control and Prevention, Anchorage, Alaska, USA); Shelley L. Deeks (National Centre for Immunisation, Research and Surveillance, Westmead, New South Wales, Australia); Christine Navarro (Public Health Agency of Canada, Ottawa, Ontario, Canada); Louise Jette (Quebec Public Health Laboratory, Ste. Anne-de-Bellevue, Quebec, Canada); Karl Kristinsson, Gudrun Sigmundsdottir (Landspitali University Hospital, Reykjavik, Iceland); Knud Brinkløv Jensen (Institution of the Chief Medical Officer, Nuuk, Greenland); Oistein Lovoll (Norwegian Institute of Public Health, Oslo, Norway); J. Pekka Nuorti (National Public Health Institute, Helsinki, Finland); Elja Herva (National Public Health Institute, Oulu, Finland); Anders Sjostedt (Umea University, Umea, Sweden); Anders Nystedt (Sunderby Hospital, Lulea, Sweden); and Anders Koch (Statens Serum Institut, Copenhagen, Denmark)