Table 2 Participants with positive intra-dermal skin tests
Sex | Age (years) | Delay since reaction (years) | Culprit drug | BP (mm) | PPL (mm) | NS (mm) | DPT | |
|---|---|---|---|---|---|---|---|---|
IU/mL | ||||||||
104 | 103 | |||||||
True positive | ||||||||
F | 8 | 0.7 | AXO | 5 | – | – | – | Urticaria and angioedema < 1 h post-DPT |
False positives | ||||||||
M | 5 | 1.3 | AXO | 8 | – | – | – | – |
M | 2 | 0.6 | AXO | 7 | – | – | – | – |
F | 5 | 1.0 | AXO | 6 | – | – | – | – |
F | 10 | 9.2 | AXO | 5 | – | – | – | – |
M | 11 | 5.7 | AXO | 4 | – | – | – | – |
M | 2 | 0.5 | AXO | 7 | – | – | – | – |
M | 2 | 0.7 | AXO | 4 | – | – | – | – |
M | 3 | 1.8 | AXO | 7 | – | – | – | – |
M | 2 | 0.5 | AXO | 8 | 4 | – | – | – |
M | 11 | 6.3 | AXO | 6 | 9 | – | – | – |
F | 18 | 17.6 | AXO | 3 | 3 | 5 | – | – |
F | 13 | 11.6 | AXO | 10 | – | 8 | 5 | – |
F | 2 | 1.0 | CLAV | – | 3 | 4 | – | – |
M | 17 | 11.3 | AXO | – | – | 5 | – | – |
M | 2 | 0.2 | AXO | – | – | 7 | – | – |
False negatives | ||||||||
F | 2 | 0.4 | AXO | – | – | – | – | Urticaria < 1 h post-DPT |
M | 2 | 0.5 | AXO | – | – | – | – | Urticaria < 1 h post-DPT |
F | 3 | 1.8 | AXO | – | – | – | – | Urticaria at 24 h post-DPT |
F | 2 | 0.7 | AXO | – | – | – | – | Urticaria at 12 h post-DPT |