Table 1 Summary of Wheal Size by Device and Location (n = 40 for Each Device by Location)
From: Variability in Skin Prick Test Results Performed by Multiple Operators Depends on the Device Used
Device | Location | Mean, mm | SD, mm | No. Results < 3 mm (Including 0 mm), % | No. Results = 0 mm, % |
|---|---|---|---|---|---|
Feather Lancet | Arm | 4.90 | 1.25 | 3 (7.5) | 0 (0) |
| Â | Back | 4.53 | 139 | 2 (5) | 0 (0) |
Greer Pick | Arm | 4.99 | 2.17 | 5 (12.5) | 2 (5) |
| Â | Back | 6.05 | 1.81 | 0 (0) | 0 (0) |
Quintip | Arm | 3.84 | 1.23 | 5 (12.5) | 1 (2.5) |
| Â | Back | 4.49 | 0.95 | 0 (0) | 0 (0) |
Stallergenes Lancet | Arm | 4.00 | 1.01 | 2 (5) | 0 (0) |
| Â | Back | 3.86 | 0.85 | 2 (5) | 0 (0) |