Table 1. Epidemiological characteristics of snakebite cases in the State of Rio Grande do Norte, Brazil, from 2007 to 2014.
| Variables | Number of Cases | % |
|---|---|---|
| Gender | ||
| Male | 2,304 | 76.3 |
| Female | 715 | 23.7 |
| Geographical location of the case | ||
| Urban | 852 | 28.2 |
| Rural | 1,910 | 63.3 |
| Periurban | 76 | 2.5 |
| Unknown | 181 | 6 |
| Victim's age (years) | ||
| 0 |–| 9 | 266 | 8.8 |
| 10 |–| 19 | 537 | 17.8 |
| 20 |–| 29 | 505 | 16.7 |
| 30 |–| 39 | 490 | 16.2 |
| 40 |–| 49 | 468 | 15.5 |
| 50 |–| 59 | 373 | 12.4 |
| 60 |–| 69 | 238 | 7.8 |
| 70 |–| 79 | 96 | 3.2 |
| 80 |–|109 | 46 | 1.5 |
| Affected part of the body | ||
| Foot | 1,333 | 44.1 |
| Hand | 372 | 12.3 |
| Toe | 369 | 12.2 |
| Finger | 306 | 10.1 |
| Leg | 240 | 7.9 |
| Arm | 52 | 1.7 |
| Forearm | 29 | 0.9 |
| Trunk | 27 | 0.9 |
| Head | 23 | 0.8 |
| Thigh | 16 | 0.5 |
| Unknown | 252 | 8.3 |
| Time from bite until assistance (h) | ||
| 0-1h | 717 | 23.7 |
| 1-3h | 930 | 30.8 |
| 3-6h | 533 | 17.6 |
| 6-12h | 163 | 5.4 |
| 12-24h | 123 | 4.1 |
| >24h | 135 | 4.5 |
| Unknown | 418 | 13.8 |
| Coagulation time | ||
| Normal | 694 | 23.0 |
| Altered | 982 | 32.5 |
| Test not done | 1,343 | 44.5 |
| Snake genus | ||
| Bothrops | 1,507 | 49.9 |
| Crotalus | 185 | 6.1 |
| Micrurus | 52 | 1.7 |
| Lachesis | 6 | 0.2 |
| Non-venomous snakes | 673 | 22.3 |
| Unknown | 596 | 19.7 |