TABLE III. Percentage case reduction estimated by the regression model for children aged < 1 year and children aged 1-4 years in Brazil and regions in the years following the introduction of meningococcal C vaccination.
| Brazil | < 1 year | 1-4 years | ||
|---|---|---|---|---|
|
|
|
|||
| Variation in MDC cases (%) | CI 95% | Variation in MDC cases (%) | CI 95% | |
| 2010 | 1.5 | (119.6, 22.5) | -4.2 | (-23.2, 14.8) |
| 2011 | -54.6 | (-75.3, -33.8) | -21.8 | (-40.8, -2.8) |
| 2012 | -70.9 | (-91.7, -50.2) | -57.6 | (-76.8, -38.4) |
| 2013 | -70.7 | (-91.6, -49.8) | -74.5 | (-92.7, -56.2) |
| 2011-2013 | -65.7 | (-86.5, -44.9) | -51.8 | (-70.6, -33.0) |
| Northeast | ||||
| 2010 | -28.2 | (-52.5, -3.9) | -44.8 | (-90.9, 1.2) |
| 2011-2013 | -56.7 | (-76.0, -37.4) | -55.0 | (-97.2, -12.9) |
| Midwest | ||||
| 2010 | -55.0 | (-97.0, -13.1) | -9.4 | (-46.5, 27.8) |
| 2011-2013 | -83.7 | (-100.0, -51.1) | -73.4 | (-100.0, -39.1) |
| Southeast | ||||
| 2010 | 13.5 | (-2.7, 29.7) | 4.5 | (-6.8, 15.8) |
| 2011-2013 | -65.4 | (-82.2, -12.2) | -42.9 | (-72.3, -13.5) |
| South | ||||
| 2010 | 4.2 | (-34.7, 43.0) | -32.6 | (-75.5, 10.3) |
| 2011-2013 | -60.1 | (-91.7, -28.5) | -44.0 | (-88.4, 0.4) |
CI: confidence interval; MDC: meningococcal disease serogroup C.