Kristina Ludwig

1.6k total citations · 2 hit papers
25 papers, 906 citations indexed

About

Kristina Ludwig is a scholar working on Economics and Econometrics, General Health Professions and Surgery. According to data from OpenAlex, Kristina Ludwig has authored 25 papers receiving a total of 906 indexed citations (citations by other indexed papers that have themselves been cited), including 12 papers in Economics and Econometrics, 6 papers in General Health Professions and 5 papers in Surgery. Recurrent topics in Kristina Ludwig's work include Health Systems, Economic Evaluations, Quality of Life (12 papers), Economic and Environmental Valuation (5 papers) and Delphi Technique in Research (3 papers). Kristina Ludwig is often cited by papers focused on Health Systems, Economic Evaluations, Quality of Life (12 papers), Economic and Environmental Valuation (5 papers) and Delphi Technique in Research (3 papers). Kristina Ludwig collaborates with scholars based in Germany, United Kingdom and Netherlands. Kristina Ludwig's co-authors include Wolfgang Greiner, J.-Matthias Graf von der Schulenburg, Juan Manuel Ramos-Goñi, Ben van Hout, Kim Rand, Elly Stolk, Mark Oppe, Juan Manuel Ramos Goñi, Gérard de Pouvourville and Bram Roudijk and has published in prestigious journals such as Frontiers in Immunology, European Journal of Immunology and Quality of Life Research.

In The Last Decade

Kristina Ludwig

19 papers receiving 897 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.

German Value Set for the EQ-5D-5L

2018 348 citations Kristina Ludwig, J.-Matthias Graf von der Schulenburg et al. PharmacoEconomics profile →
Overview, Update, and Lessons Learned From the International EQ-5D-5L Valuation Work: Version 2 of the EQ-5D-5L Valuation Protocol

2019 233 citations Elly Stolk, Kristina Ludwig et al. Value in Health profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Kristina Ludwig Germany	11	481	213	107	101	96	25	906
Shinichi Noto Japan	14	411 0.9×	230 1.1×	131 1.2×	118 1.2×	103 1.1×	66	1.2k
Lara Noronha Ferreira Portugal	16	399 0.8×	271 1.3×	73 0.7×	71 0.7×	77 0.8×	42	1.0k
Ines Buchholz Germany	9	284 0.6×	193 0.9×	115 1.1×	75 0.7×	94 1.0×	24	841
Haijing Guan China	11	336 0.7×	154 0.7×	78 0.7×	98 1.0×	57 0.6×	20	778
Xuejing Jin China	13	324 0.7×	139 0.7×	174 1.6×	107 1.1×	71 0.7×	35	946
Kok‐Yong Fong Singapore	26	478 1.0×	298 1.4×	268 2.5×	251 2.5×	91 0.9×	43	1.7k
Juan Manuel Cabasés Hita Spain	20	513 1.1×	352 1.7×	124 1.2×	256 2.5×	90 0.9×	77	1.4k
Dasha Cherepanov United States	9	354 0.7×	279 1.3×	95 0.9×	107 1.1×	53 0.6×	13	884
Ali Kiadaliri Sweden	21	259 0.5×	290 1.4×	214 2.0×	201 2.0×	53 0.6×	115	1.5k

Countries citing papers authored by Kristina Ludwig

Since Specialization

Citations

This map shows the geographic impact of Kristina Ludwig'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 Kristina Ludwig with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Kristina Ludwig more than expected).

Fields of papers citing papers by Kristina Ludwig

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Kristina Ludwig. 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 Kristina Ludwig. The network helps show where Kristina Ludwig may publish in the future.

Co-authorship network of co-authors of Kristina Ludwig

This figure shows the co-authorship network connecting the top 25 collaborators of Kristina Ludwig. A scholar is included among the top collaborators of Kristina Ludwig 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 Kristina Ludwig. Kristina Ludwig is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

Sort: Min cites: Since: Top N: Style:

20 of 20 papers shown

Peasgood, Tessa, Nancy Devlin, Kristina Ludwig, et al.. (2025). How well do participants understand the questions asked in the Online Personal Utility Functions (OPUF) approach? A cognitive debrief of the EQ-HWB-S (EQ Health and Wellbeing Short version) valuation. Quality of Life Research. 34(8). 2269–2278. 1 indexed citations

Ludwig, Kristina, Karl H. Hillebrandt, Sebastian Knitter, et al.. (2025). Gender-based variations in surgical management of colorectal liver metastases: comprehensive analysis. BMC Cancer. 25(1). 315–315.

Moosburner, Simon, Jens Neudecker, Karl H. Hillebrandt, et al.. (2024). From morbidity reduction to cost-effectiveness: Enhanced recovery after surgery (ERAS) society recommendations in minimal invasive liver surgery. Langenbeck s Archives of Surgery. 409(1). 137–137. 5 indexed citations

Ludwig, Kristina, Felix Krenzien, Karl H. Hillebrandt, et al.. (2024). miRNA as potential biomarkers after liver transplantation: A systematic review. Transplantation Reviews. 38(2). 100831–100831. 4 indexed citations

Iske, Jasper, Bettina Wiegmann, F. Ius, et al.. (2023). Immediate major dynamic changes in the T‐ and NK‐cell subset composition after cardiac transplantation. European Journal of Immunology. 53(7). e2250097–e2250097. 2 indexed citations

Ludwig, Kristina, Evgeny Chichelnitskiy, Jenny F. Kühne, et al.. (2023). CD14highCD16+ monocytes are the main producers of Interleukin-10 following clinical heart transplantation. Frontiers in Immunology. 14. 1257526–1257526.

Kreimeier, Simone, David Mott, Kristina Ludwig, et al.. (2022). EQ-5D-Y Value Set for Germany. PharmacoEconomics. 40(S2). 217–229. 31 indexed citations

Carlton, Jill, Tessa Peasgood, Clara Mukuria, et al.. (2022). Generation, Selection, and Face Validation of Items for a New Generic Measure of Quality of Life: The EQ-HWB. Value in Health. 25(4). 512–524. 22 indexed citations

Rupel, Valentina Prevolnik, Juan Manuel Ramos-Goñi, Marko Ogorevc, et al.. (2021). Comparison of Adult and Adolescent Preferences Toward EQ-5D-Y-3L Health States. Value in Health. 24(9). 1350–1359. 19 indexed citations

10.

Ludwig, Kristina, et al.. (2021). Developing and testing a cognitive bolt-on for the EQ-5D-Y (Youth). Quality of Life Research. 31(1). 215–229. 6 indexed citations

11.

Ludwig, Kristina, Juan Manuel Ramos-Goñi, Mark Oppe, Simone Kreimeier, & Wolfgang Greiner. (2021). To What Extent Do Patient Preferences Differ From General Population Preferences?. Value in Health. 24(9). 1343–1349. 16 indexed citations

12.

Carlton, Jill, Janice Connell, Tessa Peasgood, et al.. (2020). E-QALY: face validity testing the items for a new generic preference-based measure. Own your potential (DEAKIN). 1 indexed citations

13.

Ludwig, Kristina, et al.. (2020). A French Value Set for the EQ-5D-5L. PharmacoEconomics. 38(4). 413–425. 94 indexed citations

14.

Stolk, Elly, Kristina Ludwig, Kim Rand, Ben van Hout, & Juan Manuel Ramos-Goñi. (2019). Overview, Update, and Lessons Learned From the International EQ-5D-5L Valuation Work: Version 2 of the EQ-5D-5L Valuation Protocol. Value in Health. 22(1). 23–30. 233 indexed citations breakdown →

15.

Ludwig, Kristina, J. - Matthias Graf von der Schulenburg, & Wolfgang Greiner. (2018). German Value Set for the EQ-5D-5L. PharmacoEconomics. 36(6). 663–674. 348 indexed citations breakdown →

16.

Ludwig, Kristina, J. - Matthias Graf von der Schulenburg, & Wolfgang Greiner. (2017). Valuation of the EQ-5D-5L with composite time trade-off for the German population – an exploratory study. Health and Quality of Life Outcomes. 15(1). 39–39. 13 indexed citations

17.

Firsching, Raimund, Dieter Woischneck, Susan K. Klein, Kristina Ludwig, & W. Döhring. (2002). Brain stem lesions after head injury. Neurological Research. 24(2). 145–146. 44 indexed citations

18.

Ludwig, Kristina, et al.. (1995). Subkutane Sarkoidosemanifestation im Bereich der Mamma. RöFo - Fortschritte auf dem Gebiet der Röntgenstrahlen und der bildgebenden Verfahren. 163(10). 356–357. 1 indexed citations

19.

Ludwig, Kristina, et al.. (1968). Moderne Emulgatoren als Backhilfsmittel. Fette Seifen Anstrichmittel. 70(8). 567–571. 2 indexed citations

20.

Ludwig, Kristina. (1965). Emulgatoren in Nahrungsmitteln. Fette Seifen Anstrichmittel. 67(12). 1018–1025. 2 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.

Explore authors with similar magnitude of impact