Table 2 Number of bed days, reduction of the number of bed days for RV and all cause AGE, and proportion of RV among all cause AGE according to vaccination period and season among 0-16y and 0-2y children in Oulu
Children 0–16 years | Children 0–2 years | ||||||||
|---|---|---|---|---|---|---|---|---|---|
Period | Years | Number of children in the catchment area | Number of bed days* | % RV among all AGE | Number of children in the catchment area | Number of bed days* | % RV among all AGE | ||
RV AGE | All AGE | RV AGE | All AGE | ||||||
Pre-vaccination period | 2001-2002 | 83,846 | 207 | 861 | 24.0 | 15,161 | 142 | 483 | 29.4 |
2002-2003 | 83,668 | 260 | 1127 | 23.1 | 15,310 | 169 | 655 | 25.8 | |
2003-2004 | 84,107 | 260 | 1056 | 24.6 | 15,818 | 216 | 633 | 34.1 | |
2004-2005 | 84,443 | 151 | 733 | 20.6 | 16,274 | 109 | 429 | 25.4 | |
2005-2006 | 84,870 | 219 | 1415 | 15.5 | 16,606 | 169 | 848 | 19.9 | |
Annual average | - | 219.4 | 1038.4 | 21.1 | - | 161 | 609.6 | 26.4 | |
Overall number of bed days per 100,000 children | - | 261 | 1233 | - | 1017 | 3850 | |||
Transition period | 2006-2007 | 85,064 | 33 | 1241 | 2.7 | 16,903 | 25 | 671 | 3.7 |
2007-2008 | 85,257 | 84 | 840 | 10.0 | 16,906 | 31 | 387 | 8.0 | |
2008-2009 | 85,683 | 161 | 787 | 20.5 | 17,145 | 115 | 425 | 27.1 | |
Annual average | - | 92.7 | 956.0 | 2.7 | - | 57 | 494.3 | 11.5 | |
Overall number of bed days per 100,000 children | - | 109 | 1120 | - | 336 | 2910 | |||
Post-vaccination period | 2009-2010 | 86,144 | 116 | 433 | 26.8 | 17,312 | 84 | 221 | 38.0 |
2010-2011 | 86,498 | 13.0 | 222 | 5.9 | 17,315 | 2 | 70 | 2.9 | |
2011-2012 | 87,264 | 11 | 294 | 3.7 | 17,285 | 2 | 102 | 2.0 | |
Annual average | - | 46.7 | 316.3 | 14.8 | - | 29.3 | 131.0 | 22.4 | |
Overall number of bed days per 100,000 children | - | 54 | 365 | - | 170 | 757 | |||
% reduction (95% CI) of the number of bed days per 100,000 children between the post- and pre-vaccination periods | −79 (−47;-92) | −70 (−58;-79) | −83 (−35;-96) | −80 (−68;-88) | |||||
Absolute reduction (95% CI) of the number of bed days per 100,000 children between the post- and pre-vaccination periods | −207 (−189;-225) | −868 (−828;-909) | −847 (−769;-926) | −3092 (−2937;-3249) | |||||