Outi Lyytikäinen

11.1k total citations · 1 hit paper
172 papers, 5.1k citations indexed

About

Outi Lyytikäinen is a scholar working on Infectious Diseases, Epidemiology and Clinical Biochemistry. According to data from OpenAlex, Outi Lyytikäinen has authored 172 papers receiving a total of 5.1k indexed citations (citations by other indexed papers that have themselves been cited), including 86 papers in Infectious Diseases, 75 papers in Epidemiology and 43 papers in Clinical Biochemistry. Recurrent topics in Outi Lyytikäinen's work include Bacterial Identification and Susceptibility Testing (43 papers), Antimicrobial Resistance in Staphylococcus (32 papers) and Antibiotic Use and Resistance (22 papers). Outi Lyytikäinen is often cited by papers focused on Bacterial Identification and Susceptibility Testing (43 papers), Antimicrobial Resistance in Staphylococcus (32 papers) and Antibiotic Use and Resistance (22 papers). Outi Lyytikäinen collaborates with scholars based in Finland, Sweden and United States. Outi Lyytikäinen's co-authors include Petri Ruutu, Jukka Ollgren, J. Pekka Nuorti, Jaana Vuopio‐Varkila, Kaisa Huotari, Saara Salmenlinna, Tommi Kärki, Kirsi Skogberg, Mari Kanerva and Mikko Virtanen and has published in prestigious journals such as PLoS ONE, Clinical Infectious Diseases and Journal of Clinical Microbiology.

In The Last Decade

Outi Lyytikäinen

166 papers receiving 4.9k citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Prevalence of healthcare-associated infections, estimated incidence and composite antimicrobial resistance index in acute care hospitals and long-term care facilities: results from two European point prevalence surveys, 2016 to 2017

2018 448 citations Tommi Kärki, Outi Lyytikäinen et al. Eurosurveillance profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
Outi Lyytikäinen Finland	35	2.4k	1.7k	1.2k	867	712	172	5.1k
Ellen Jo Baron United States	32	1.7k 0.7×	2.0k 1.2×	973 0.8×	605 0.7×	575 0.8×	94	5.4k
Phyllis Della‐Latta United States	46	2.4k 1.0×	1.8k 1.1×	732 0.6×	936 1.1×	308 0.4×	119	5.2k
Emilia Cercenado Spain	43	2.5k 1.0×	2.6k 1.5×	1.7k 1.5×	937 1.1×	622 0.9×	245	6.5k
Zmira Samra Israel	43	1.7k 0.7×	2.1k 1.2×	745 0.6×	645 0.7×	329 0.5×	152	5.0k
Ellie J. C. Goldstein United States	24	2.5k 1.0×	1.9k 1.1×	1.4k 1.2×	2.1k 2.4×	1.1k 1.5×	72	6.4k
Mary‐Claire Roghmann United States	36	2.2k 0.9×	1.2k 0.7×	1.0k 0.9×	546 0.6×	464 0.7×	102	3.8k
Reno Frei Switzerland	43	2.8k 1.2×	2.2k 1.3×	1.1k 1.0×	634 0.7×	413 0.6×	207	6.1k
Alicia Hidrón United States	14	1.9k 0.8×	1.2k 0.7×	1.0k 0.9×	514 0.6×	594 0.8×	31	4.1k
Kang Won Choe South Korea	41	2.4k 1.0×	1.9k 1.1×	1.2k 1.0×	640 0.7×	832 1.2×	131	6.0k
Wan Beom Park South Korea	44	3.2k 1.4×	2.1k 1.2×	1.3k 1.1×	644 0.7×	719 1.0×	259	6.5k

Countries citing papers authored by Outi Lyytikäinen

Since Specialization

Citations

This map shows the geographic impact of Outi Lyytikäinen's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Outi Lyytikäinen with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Outi Lyytikäinen more than expected).

Fields of papers citing papers by Outi Lyytikäinen

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Outi Lyytikäinen. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Outi Lyytikäinen. The network helps show where Outi Lyytikäinen may publish in the future.

Co-authorship network of co-authors of Outi Lyytikäinen

This figure shows the co-authorship network connecting the top 25 collaborators of Outi Lyytikäinen. A scholar is included among the top collaborators of Outi Lyytikäinen based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Outi Lyytikäinen. Outi Lyytikäinen is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

Kinnunen, Tuure, et al.. (2024). Impact of the COVID-19 pandemic on extended-spectrum β-lactamase producing Escherichia coli in urinary tract and blood stream infections: results from a nationwide surveillance network, Finland, 2018 to 2022. Antimicrobial Resistance and Infection Control. 13(1). 72–72. 4 indexed citations

Ollgren, Jukka, Timothée Dub, Outi Laine, et al.. (2023). Risk of lymphoid malignancies increased after Puumala virus infection in Finland, 2009-2019: A retrospective register-based cohort study. International Journal of Infectious Diseases. 131. 1–6. 1 indexed citations

Hetemäki, Iivo, Janne Mikkola, Carita Savolainen‐Kopra, et al.. (2021). An outbreak caused by the SARS-CoV-2 Delta variant (B.1.617.2) in a secondary care hospital in Finland, May 2021. Eurosurveillance. 26(30). 40 indexed citations

Lyytikäinen, Outi, et al.. (2020). Risk factors affecting treatment outcomes for pulmonary tuberculosis in Finland 2007–2014: a national cohort study. BMC Public Health. 20(1). 1250–1250. 7 indexed citations

Sarvikivi, Emmi, et al.. (2018). Surgical site infections following hip and knee arthroplastic surgery: Trends and risk factors of Staphylococcus aureus infections. Infection Control and Hospital Epidemiology. 40(2). 211–213. 6 indexed citations

Tuomisto, Karolina, et al.. (2018). Public health response to large influx of asylum seekers: implementation and timing of infectious disease screening. BMC Public Health. 18(1). 1139–1139. 17 indexed citations

Toropainen, Maija, et al.. (2017). Bacterial meningitis in Finland, 1995–2014: a population-based observational study. BMJ Open. 7(5). e015080–e015080. 41 indexed citations

Aittoniemi, Janne, Marjatta Sinisalo, Risto Vuento, et al.. (2015). Etiology, clinical course and outcome of healthcare-associated bloodstream infections in patients with hematological malignancies: a retrospective study of 350 patients in a Finnish tertiary care hospital. STM:n Hallinnonalan avoin julkaisuarkisto (Julkari). 2 indexed citations

Kanerva, Mari, et al.. (2015). Regional differences inClostridium difficileinfections in relation to fluoroquinolone and proton pump inhibitor use, Finland, 2008–2011. Infectious Diseases. 47(8). 530–535. 5 indexed citations

10.

Siira, Lotta, Jari Jalava, Tarja Kaijalainen, et al.. (2013). Antimicrobial Resistance in Relation to Sero- and Genotypes Among Invasive Streptococcus pneumoniae in Finland, 2007–2011. Microbial Drug Resistance. 20(2). 124–130. 8 indexed citations

11.

Lyytikäinen, Outi, et al.. (2013). Hospitalizations and Deaths Associated with Clostridium difficile Infection, Finland, 1996-2004. STM:n Hallinnonalan avoin julkaisuarkisto (Julkari). 2 indexed citations

12.

Jalava, Katri, Elina Kolho, Nina Forss, et al.. (2011). Two cases of food-borne botulism in Finland caused by conserved olives, October 2011. STM:n Hallinnonalan avoin julkaisuarkisto (Julkari). 4 indexed citations

13.

Kärki, Tommi, Petri Ruutu, & Outi Lyytikäinen. (2011). Infection control in Finnish acute care hospitals 2008. International journal of infection control. 7(4).

14.

Kotila, Saara, et al.. (2011). Incidence, case fatality and genotypes causing Clostridium difficile infections, Finland, 2008. STM:n Hallinnonalan avoin julkaisuarkisto (Julkari). 2 indexed citations

15.

Ikonen, Niina, Esa Rönkkö, Outi Lyytikäinen, et al.. (2010). Genetic Diversity of the 2009 Pandemic Influenza A(H1N1) Viruses in Finland. PLoS ONE. 5(10). e13329–e13329. 42 indexed citations

16.

Salmenlinna, Saara, Outi Lyytikäinen, Anni Vainio, et al.. (2010). Human Cases of Methicillin-Resistant Staphylococcus aureus CC398 Infection, Finland. STM:n Hallinnonalan avoin julkaisuarkisto (Julkari). 2 indexed citations

17.

Kanerva, Mari, et al.. (2010). Disease burden of Puumala virus infections, 1995-2008. STM:n Hallinnonalan avoin julkaisuarkisto (Julkari). 1 indexed citations

18.

Lyytikäinen, Outi, Veli-Jukka Anttila, Irma Koivula, et al.. (2010). Secular trend in candidemia and the use of fluconazole in Finland, 2004-2007. BMC Infectious Diseases. 10(1). 312–312. 82 indexed citations

19.

Aho, M, Outi Lyytikäinen, Tapio Kuitunen, et al.. (2010). Outbreak of 2009 pandemic influenza A(H1N1) in a Finnish garrison - a serological survey. STM:n Hallinnonalan avoin julkaisuarkisto (Julkari). 8 indexed citations

20.

Vainio, Anni, Outi Lyytikäinen, Tarja Kaijalainen, et al.. (2009). An outbreak of pneumonia associated with S. pneumoniae at a military training facility in Finland in 2006. Apmis. 117(7). 488–491. 10 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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