Regions of Brazil | Mean incidence rate in 2017–2019 (95% CI) | Incidence rate in 2020 (95% CI) | Difference in incidence rate* (%) | Incidence rate ratio | P value† |
North | 253 (245 to 270) | 468 (458 to 478) | +215 (+85) | 1.8 | <0.001 |
Northeast | 191 (188 to 195) | 251 (247 to 255) | +60 (+31) | 1.3 | <0.001 |
Southeast | 141 (138 to 143) | 361 (358 to 366) | +220 (+157) | 2.6 | <0.001 |
South | 326 (319.2 to 332.3) | 441 (433 to 448) | +115 (+35) | 1.4 | <0.001 |
Midwest | 270 (261.1 to 277.6) | 555 (544 to 567) | +285 (+106) | 2.1 | <0.001 |
Total | 206 (203.3 to 207.6) | 367 (364 to 369) | +161 (+78) | 1.8 | <0.001 |
Source: elaborated by the author.
*Mean incidence rate in 2017–2019 was compared with the incidence rate in 2020 by a ‘test-based method’ with the Medcalc statistical software.
†P value obtained by χ2 statistic.