Editing Arthritis (section)

=== Comparison of types ===
{|class="wikitable"
|+ Comparison of some major forms of arthritis<ref name=agabegi2nd6-7unless>Unless otherwise specified in table box, the reference is: {{cite book | vauthors = Agabegi ED, Agabegi SS |chapter=Table 6–7 |title=Step-Up to Medicine |url=https://archive.org/details/stepuptomedicine0000agab |url-access=registration |series=Step-Up Series |publisher=Lippincott Williams & Wilkins |location=Hagerstwon MD |year=2008 |page=[https://archive.org/details/stepuptomedicine0000agab/page/253 253] |isbn=978-0-7817-7153-5 }}</ref>
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!  !! [[Osteoarthritis]] !! [[Rheumatoid arthritis]] !! [[Gouty arthritis]]
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! Speed of onset
| Months-Years || Weeks-months<ref name=Chan1994>[[Diagnosis lag time]] of median 4 weeks, and median [[diagnosis lag time]] of 18 weeks, taken from: {{cite journal | vauthors = Chan KW, Felson DT, Yood RA, Walker AM | title = The lag time between onset of symptoms and diagnosis of rheumatoid arthritis | journal = Arthritis and Rheumatism | volume = 37 | issue = 6 | pages = 814–820 | date = June 1994 | pmid = 8003053 | doi = 10.1002/art.1780370606 }}</ref> || Hours for an attack<ref name=Harwood-Nuss2009>{{cite book | vauthors = Schaider J, Wolfson AB, Hendey GW, Ling L, Rosen CL |title=Harwood-Nuss' Clinical Practice of Emergency Medicine (Clinical Practice of Emergency Medicine (Harwood-Nuss)) |publisher=Lippincott Williams & Wilkins |location=Hagerstwon, MD |year=2009 |pages=740 (upper right of page) |isbn=978-0-7817-8943-1 |url=https://books.google.com/books?id=Idb0Z658lFQC&pg=PT773 |url-status = live|archive-url=https://web.archive.org/web/20150321185321/http://books.google.com/books?id=Idb0Z658lFQC&pg=PT773 |archive-date=21 March 2015 }}</ref>
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! Main locations
| Weight-bearing joints (such as [[knee]]s, [[Hip#Articulation|hips]], [[vertebral column]]) and hands
| Hands ([[Proximal interphalangeal joint|proximal interphalangeal]] and [[metacarpophalangeal joint]]) [[wrist]]s, [[ankle]]s, [[knee]]s and [[hip]]s
| [[Great toe]], [[ankle]]s, [[knee]]s and [[elbow]]s
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! Inflammation
| May occur, though often mild compared to inflammation in rheumatoid arthritis || Yes || Yes
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! [[Radiologic]] changes
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* Narrowed joint space
* [[Osteophyte]]s
* Local [[osteosclerosis]]
* [[Subchondral cyst]]s
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* Narrowed joint space
* Bone erosions
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* "Punched out" bone erosions
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! Laboratory findings
| None || [[Anemia]], elevated [[erythrocyte sedimentation rate|ESR]] and [[C-reactive protein]] (CRP), [[rheumatoid factor]], [[anti-citrullinated protein antibody]]
| [[Crystal]] in joints
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!Other features
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* No systemic signs
* [[Bouchard's nodes|Bouchard's]] and [[Heberden's node]]s
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* [[#Signs and symptoms|Extra-articular features]] are common
* [[Ulnar deviation]], [[swan neck deformity|swan neck-]] and [[Boutonniere deformity]] of the hand
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* [[Tophus|Tophi]]
* [[Nephrolithiasis]]
|}