dermatographia: Familial dermographism is a condition also known as skin writing. When people who have dermatographia lightly scratch their skin, the scratches redden into a raised wheal similar to hives. Signs and symptoms of dermatographia include raised red lines, swelling, inflammation, hive-like welts and itching. Symptoms usually disappear within 30 minutes. The exact cause of this condition is unknown. Treatment mayinvovle use of antihistamines if symptoms do not go away on their own.
Filter registries Inpat., Oupat., Death
Check pre-conditions None
Include endpoints None
Check conditions None
Apply sex-specific rule None
L12_URTICA_DERTMATOG
Extra metadata
List of similar endpoints to
Dermatographic urticaria
based on the number of shared cases.
Broader endpoints:
Narrower endpoints:
None
| All | Female | Male | |
|---|---|---|---|
| Number of individuals | 1057 | 832 | 225 |
| Unadjusted prevalence (%) | 0.41 | 0.57 | 0.20 |
| Mean age at first event (years) | 44.88 | 43.79 | 48.93 |
| Follow-up | Absolute risk | HR [95% CI] | p | N |
|---|---|---|---|---|
| 1998–2019 | 0.05 | 3.73 [1.97, 7.07] | 5.3e-5 | 29 |
| 15 years | 0.02 | 3.39 [1.71, 6.72] | 4.9e-4 | 25 |
| 5 years | 0.00 | 4.40 [1.98, 9.78] | 2.8e-4 | 13 |
| 1 year | - | - | - | - |
Index endpoint: L12_URTICA_DERTMATOG – Dermatographic urticaria
GWS hits: 0
before Dermatographic urticaria
after Dermatographic urticaria
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