Table 4. Mean rates of death associated with congenital syphilis reported to national surveillance, by year and region of Brazil, 2010–2015*.
| Category | Mean death rate, n = 6,913 cases
(95% CI†) |
p value‡ | |
|---|---|---|---|
| Year | |||
| 2010 | 16.84a (2.42–31.26) | ||
| 2011 | 23.42 (3.44–43.40) | ||
| 2012 | 31.38 (9.36–53.40) | 0.046 | |
| 2013 | 32.60 (10.06–55.14) | ||
| 2014 | 41.12 (24.12–58.12) | ||
| 2015 | 47.9a (29.99–65.97) |
||
| Region | ||
|---|---|---|
| North | 19.05b,c (7.94–30.15) | |
| Northeast | 47.50b,d (35.52–59.48) | |
| Southeast | 45.45c,e (36.31–54.59) | 0.0007 |
| South | 30.08 (7.35–52.81) | |
| Midwest | 17.70d,e (8.03–27.37) | |
*Death rates include death in children <1 year of age, stillbirth, and spontaneous abortion. Values with superscript letters indicate significant differences between the pairs calculated by using the Tukey test. †Assuming a Poisson distribution. ‡1-way analysis of variance; p<0.05 indicates statistical significance.