Case–control study

Case-control study - type of observational study comparing two existing groups differing in outcome. Article "Case–control study" in English Wikipedia has 38.9 points for quality (as of August 1, 2024). The article contains 24 references and 11 sections.

In this language version of Wikipedia the article has the best quality. Also, this article is the most popular in that language version.

Since the creation of article "Case–control study", its content was written by 117 registered users of English Wikipedia and edited by 336 registered Wikipedia users in all languages.

The article is cited 453 times in English Wikipedia and cited 1529 times in all languages.

The highest Authors Interest rank from 2001:

• Local (English): #22942 in December 2003
• Global: #24766 in December 2003

The highest popularity rank from 2008:

• Local (English): #22884 in October 2014
• Global: #36684 in October 2014

There are 19 language versions for this article in the WikiRank database (of the considered 55 Wikipedia language editions).

The quality and popularity assessment was based on Wikipédia dumps from August 1, 2024 (including revision history and pageviews for previous years).

The table below shows the language versions of the article with the highest quality.

#	Language	Quality grade	Quality score
1	English (en) Case–control study		38.8817
2	Thai (th) งานศึกษามีกลุ่มควบคุม		38.1224
3	Ukrainian (uk) Дослідження «випадок-контроль»		36.2214
4	Finnish (fi) Tapaus-verrokkitutkimus		35.0327
5	Greek (el) Μελέτη πασχόντων–μαρτύρων		33.5568
6	German (de) Fall-Kontroll-Studie		27.5458
7	Spanish (es) Estudio de casos y controles		25.8386
8	Arabic (ar) دراسة الحالات والشواهد		20.772
9	Catalan (ca) Estudi de casos i controls		20.1407
10	Chinese (zh) 病例對照研究		19.5381

More...

The following table shows the most popular language versions of the article.

The most popular language versions of the article "Case–control study" in all the time

#	Language	Popularity award	Relative popularity
1	English (en) Case–control study		3 550 640
2	Spanish (es) Estudio de casos y controles		839 877
3	German (de) Fall-Kontroll-Studie		301 082
4	Japanese (ja) 症例対照研究		272 248
5	French (fr) Étude cas-témoins		250 404
6	Dutch (nl) Patiënt-controleonderzoek		117 449
7	Chinese (zh) 病例對照研究		102 625
8	Indonesian (id) Kajian kasus–kontrol		76 649
9	Russian (ru) Исследование «случай — контроль»		67 849
10	Swedish (sv) Fall-referentstudie		66 876

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The following table shows the language versions of the article with the highest popularity in the last month.

The most popular language versions of the article "Case–control study" in July 2024

#	Language	Popularity award	Relative popularity
1	English (en) Case–control study		5 835
2	Spanish (es) Estudio de casos y controles		1 276
3	German (de) Fall-Kontroll-Studie		790
4	French (fr) Étude cas-témoins		760
5	Japanese (ja) 症例対照研究		550
6	Russian (ru) Исследование «случай — контроль»		473
7	Chinese (zh) 病例對照研究		408
8	Indonesian (id) Kajian kasus–kontrol		397
9	Arabic (ar) دراسة الحالات والشواهد		159
10	Persian (fa) مطالعه موردشاهدی		97

More...

The following table shows the language versions of the article with the highest Authors’ Interest.

Language versions of the article "Case–control study" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.

#	Language	AI award	Relative AI
1	English (en) Case–control study		117
2	German (de) Fall-Kontroll-Studie		51
3	French (fr) Étude cas-témoins		32
4	Spanish (es) Estudio de casos y controles		26
5	Japanese (ja) 症例対照研究		17
6	Dutch (nl) Patiënt-controleonderzoek		16
7	Chinese (zh) 病例對照研究		12
8	Swedish (sv) Fall-referentstudie		11
9	Finnish (fi) Tapaus-verrokkitutkimus		10
10	Arabic (ar) دراسة الحالات والشواهد		8

More...

The following table shows the language versions of the article with the highest Authors’ Interest in the last month.

Language versions of the article "Case–control study" with the highest AI in July 2024

#	Language	AI award	Relative AI
1	Ukrainian (uk) Дослідження «випадок-контроль»		2
2	German (de) Fall-Kontroll-Studie		1
3	Arabic (ar) دراسة الحالات والشواهد		0
4	Catalan (ca) Estudi de casos i controls		0
5	Greek (el) Μελέτη πασχόντων–μαρτύρων		0
6	English (en) Case–control study		0
7	Spanish (es) Estudio de casos y controles		0
8	Estonian (et) Juhtkontrolluuring		0
9	Persian (fa) مطالعه موردشاهدی		0
10	Finnish (fi) Tapaus-verrokkitutkimus		0

More...

The following table shows the language versions of the article with the highest number of citations.

Language versions of the article "Case–control study" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	English (en) Case–control study		453
2	French (fr) Étude cas-témoins		415
3	Chinese (zh) 病例對照研究		136
4	Japanese (ja) 症例対照研究		111
5	Persian (fa) مطالعه موردشاهدی		109
6	Catalan (ca) Estudi de casos i controls		76
7	German (de) Fall-Kontroll-Studie		56
8	Spanish (es) Estudio de casos y controles		46
9	Thai (th) งานศึกษามีกลุ่มควบคุม		34
10	Indonesian (id) Kajian kasus–kontrol		25

More...

#	Language	Value
ar	Arabic دراسة الحالات والشواهد
ca	Catalan Estudi de casos i controls
de	German Fall-Kontroll-Studie
el	Greek Μελέτη πασχόντων–μαρτύρων
en	English Case–control study
es	Spanish Estudio de casos y controles
et	Estonian Juhtkontrolluuring
fa	Persian مطالعه موردشاهدی
fi	Finnish Tapaus-verrokkitutkimus
fr	French Étude cas-témoins
id	Indonesian Kajian kasus–kontrol
ja	Japanese 症例対照研究
nl	Dutch Patiënt-controleonderzoek
no	Norwegian Kasus-kontrollstudie
ru	Russian Исследование «случай — контроль»
sv	Swedish Fall-referentstudie
th	Thai งานศึกษามีกลุ่มควบคุม
uk	Ukrainian Дослідження «випадок-контроль»
zh	Chinese 病例對照研究

Best Rank

English: #22884 10.2014

Global: #36684 10.2014

Best Rank

English: #22942 12.2003

Global: #24766 12.2003

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The WikiRank project is intended for automatic relative evaluation of the articles in the various language versions of Wikipedia. At the moment the service allows to compare over 44 million Wikipedia articles in 55 languages. Quality scores of articles are based on Wikipedia dumps from August, 2024. When calculating current popularity and AI of articles data from July 2024 was taken into account. For historical values of popularity and AI WikiRank used data from 2001 to 2023... More information