Baseline Characteristics of Enrolled Patients (N = 256)
| Characteristic | Percentage |
|---|---|
| Age group | |
| 0 to 9 | 5 |
| 10 to 19 | 12 |
| 20 to 44 | 45 |
| 45 to 64 | 31 |
| ≥65 | 7 |
| Gender | |
| Male | 38 |
| Female | 62 |
| Spider identified by credible witness or clinician | 13 |
| Brown recluse spiders seen in vicinity | 57 |
| Season when bite occurred | |
| Winter | 9 |
| Spring | 37 |
| Summer | 40 |
| Fall | 14 |
| Place where bite occurred | |
| Indoors | 56 |
| Outdoors | 20 |
| No idea | 24 |
| Location of bite | |
| Arm | 27 |
| Leg | 45 |
| Trunk | 19 |
| Head | 9 |
| Severity (clinician rating) | |
| Mild | 34 |
| Moderate | 56 |
| Severe | 10 |
| Initial probability that lesion was brown recluse spider bite | |
| Possible | 28 |
| Probable or definite | 72 |
| Previous brown recluse bite | 12 |
| Diabetes mellitus | 5 |
| Use of NSAID at time of bite | 7 |
| Patient felt the bite when it occurred | 15 |
| Local symptoms/signs at enrollment | |
| Pain | 66 |
| Itching | 64 |
| Tenderness | 75 |
| Blister or vesicles | 29 |
| Necrosis | 39 |
| Systemic symptoms/signs at enrollment | |
| Symptoms | 28 |
| Signs | 14 |