Region North Northeast Southeast South Center-West
  No % No % No % No % No %
Age group
<1 957 1.0 883 1.1 843 1.0 231 0.7 258 0.8
1-4 1,817 1.9 1,817 2.2 1,521 1.8 629 1.9 757 2.3
5-9 6,191 6.6 4,541 5.4 3,816 4.5 1,510 4.6 1,709 5.2
10-14 10,270 10.9 7,764 9.3 6,152 7.2 2,738 8.4 2,595 7.9
15-19 11,583 12.3 9,780 11.7 8,092 9.5 3,068 9.4 3,035 9.2
20-39 36,702 38.9 30,380 36.4 30,915 36.3 10,790 33.0 12,217 37.1
40-59 20,706 21.9 20,561 24.6 25,235 29.6 10,193 31.2 9,324 28.3
60-64 2,631 2.8 2,979 3.6 3,487 4.1 1,480 4.5 1,266 3.8
65-69 1,680 1.8 2,102 2.5 2,362 2.8 950 2.9 819 2.5
70-79 1,449 1.5 2,046 2.4 2,283 2.7 910 2.8 740 2.2
³ 80 355 0.4 686 0.8 511 0.6 177 0.5 168 0.5
Ignored 13 0.0 20 0.0 17 0.0 4 0.0 4 0.0
Sex
Male 74,739 79.2 63,238 75.7 65,521 76.9 24,470 74.9 25,443 77.4
Female 19,590 20.8 20,273 24.3 19,661 23.1 8,194 25.1 7,431 22.6
Ignored 25 0.0 48 0.1 52 0.1 16 0.0 18 0.1
Classification
Mild 44,174 46.8 44,444 53.2 42,608 50.0 16,701 51.1 15,098 45.9
Moderate 36,978 39.2 26,172 31.3 30,328 35.6 12,154 37.2 12,349 37.5
Severe 5,921 6.3 5,401 6.5 6,791 8.0 2,618 8.0 3,371 10.2
Ignored 7,281 7.7 7,542 9.0 5,507 6.5 1,207 3.7 2,074 6.3
Time
0 to 1 hour 12,719 13.5 14,899 17.8 31,055 36.4 14,921 45.7 9,820 29.9
1 to 3 hours 26,411 28.0 29,240 35.0 31,432 36.9 11,204 34.3 12,096 36.8
3 to 6 hours 21,719 23.0 16,541 19.8 9,137 10.7 2,622 8.0 4,855 14.8
6 to 12 hours 13,134 13.9 6,967 8.3 3,169 3.7 970 3.0 1,844 5.6
12 and over 13,523 14.3 6,977 8.3 3,455 4.1 1,380 4.2 1,896 5.8
Ignored 6,848 7.3 8,935 10.7 6,986 8.2 1,583 4.8 2,381 7.2
Evolution
Healing 79,189 83.9 71,706 85.8 75,214 88.2 30,228 92.5 28,638 87.1
Healing with the sequel1 934 1.0 559 0.7 645 0.8 247 0.8 265 0.8
Death2 484 0.5 483 0.6 243 0.3 66 0.2 189 0.6
Ignored 13,747 14.6 10,811 12.9 9,132 10.7 2,139 6.5 3,800 11.6
Total 94,354 100.0 83,559 100.0 85,234 100.0 32,680 100.0 32,892 100.0
Data source: BRASIL/MS/SVS/SINAN [8] Note: 1Available data from 2001 to 2006. 2For the years from 2007 to 2012 deaths by snakebite are added with injury deaths from other collateral causes.
Table 1: Number and percentage of snakebites distributed by Brazilian region, age group and sex of the victim, severity classification, time elapsed between snakebite and administration of medical care and case evolution. Brazil: from 2001 to 2012.