Property talk:P2841

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age of onset
age group in which disease manifestations appear

Represents	age of onset (Q4691924)
Data type	Item
Domain	According to this template: physiological condition (Q7189713) According to statements in the property: physiological condition (Q7189713) When possible, data should only be stored as statements
Example	gout (Q133087) → adult onset (Q21955204) neonatal jaundice (Q1755487) → neonatal onset (Q21953125)
Source	http://compbio.charite.de/hpoweb/showterm?id=HP:0003674
Lists	Items with the most statements of this property Count of items by number of statements (chart) Items with the most statements Items with the fewest statements Count of items by number of sitelinks (chart) Items with the most sitelinks Items with the most sitelinks, but no link to one Wikipedia (sample: Welsh Wikipedia, cywiki) Items with the fewest sitelinks Most linked wikis Items with the most identifier properties By value of property Most statements Fewest statements Most sitelinks Most linked wikis Total of sitelinks on items Most identifiers Fewest identifiers Items with no other statements Most recently created items Items with novalue claims Items with unknown value claims Usage history (total) Usage history (main statement) Database reports/Constraint violations/P2841 Map Random list
Proposal discussion	Proposal discussion
Current uses	Total 28 Main statement 7 25% of uses Qualifier 21 75% of uses
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Type “physiological condition (Q7189713)”: item must contain property “subclass of (P279)” with classes “physiological condition (Q7189713)” or their subclasses (defined using subclass of (P279)). (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P2841#Type Q7189713, SPARQL

Value type “age of a person (Q185836), developmental stage (Q48834911)”: This property should use items as value that contain property “instance of (P31), subclass of (P279)”. On these, the value for instance of (P31), subclass of (P279) should be an item that uses subclass of (P279) with value age of a person (Q185836), developmental stage (Q48834911) (or a subclass thereof). (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P2841#Value type Q185836, Q48834911, SPARQL

Scope is as main value (Q54828448): the property must be used by specified way only (Help)

List of violations of this constraint: Database reports/Constraint violations/P2841#Scope, hourly updated report, SPARQL

This property is being used by: eu:Txantiloi:Gaixotasun infotaula ca:Plantilla:Infotaula personatge din:Macuëc:Disease ts:Template:Infobox medical condition ga:Teimpléad:WD Bosca Sonraí Carachtar Please notify projects that use this property before big changes (renaming, deletion, merge with another property, etc.)