Gregor Liegl

1.6k total citations · 1 hit paper
53 papers, 977 citations indexed

About

Gregor Liegl is a scholar working on Clinical Psychology, Economics and Econometrics and Oncology. According to data from OpenAlex, Gregor Liegl has authored 53 papers receiving a total of 977 indexed citations (citations by other indexed papers that have themselves been cited), including 11 papers in Clinical Psychology, 11 papers in Economics and Econometrics and 10 papers in Oncology. Recurrent topics in Gregor Liegl's work include Health Systems, Economic Evaluations, Quality of Life (11 papers), Cancer survivorship and care (9 papers) and Musculoskeletal pain and rehabilitation (8 papers). Gregor Liegl is often cited by papers focused on Health Systems, Economic Evaluations, Quality of Life (11 papers), Cancer survivorship and care (9 papers) and Musculoskeletal pain and rehabilitation (8 papers). Gregor Liegl collaborates with scholars based in Germany, Australia and Austria. Gregor Liegl's co-authors include Matthias Rose, Sandra Nolte, Christoph Pieh, Markus Boeckle, Felix Fischer, Morten Aagaard Petersen, Annika Waldmann, Alexander Obbarius, Bernhard Holzner and Anna Costantini and has published in prestigious journals such as Kidney International, Journal of the American Society of Nephrology and Journal of Clinical Epidemiology.

In The Last Decade

Gregor Liegl

47 papers receiving 959 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.

General population normative data for the EORTC QLQ-C30 health-related quality of life questionnaire based on 15,386 persons across 13 European countries, Canada and the Unites States

2018 275 citations Sandra Nolte, Gregor Liegl et al. European Journal of Cancer profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Gregor Liegl Germany	17	271	168	143	121	118	53	977
Robert Morlock United States	21	196 0.7×	166 1.0×	184 1.3×	220 1.8×	293 2.5×	97	1.6k
Clara A. Chen United States	22	334 1.2×	152 0.9×	73 0.5×	54 0.4×	66 0.6×	41	1.6k
Linda Kwakkenbos Netherlands	20	182 0.7×	148 0.9×	418 2.9×	127 1.0×	105 0.9×	103	1.4k
Carla DeMuro United States	16	130 0.5×	88 0.5×	131 0.9×	115 1.0×	52 0.4×	65	1.1k
Annemarie Braamse Netherlands	15	338 1.2×	232 1.4×	178 1.2×	58 0.5×	51 0.4×	48	1.1k
Martha Timmer United States	11	307 1.1×	268 1.6×	93 0.7×	36 0.3×	199 1.7×	19	1.1k
Eileen Danaher Hacker United States	19	461 1.7×	85 0.5×	109 0.8×	103 0.9×	43 0.4×	65	1.0k
Adriaan van’t Spijker Netherlands	13	318 1.2×	179 1.1×	75 0.5×	38 0.3×	83 0.7×	18	1.1k
Anava Wren United States	18	197 0.7×	115 0.7×	270 1.9×	47 0.4×	93 0.8×	37	1.1k
Barbara Muzzatti Italy	16	468 1.7×	77 0.5×	121 0.8×	95 0.8×	66 0.6×	49	984

Countries citing papers authored by Gregor Liegl

Since Specialization

Citations

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

Fields of papers citing papers by Gregor Liegl

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Gregor Liegl

This figure shows the co-authorship network connecting the top 25 collaborators of Gregor Liegl. A scholar is included among the top collaborators of Gregor Liegl 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 Gregor Liegl. Gregor Liegl 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

Fabian, Alexander, Alexander Rühle, Gregor Liegl, et al.. (2025). Quality of life in cancer patients at the end of radiotherapy compared to a general population sample in Germany. International Journal of Cancer. 158(4). 1021–1030. 1 indexed citations

Cromm, Krister, Gregor Liegl, Andrew Davenport, et al.. (2024). Psychosocial Determinants for Self-Reported Health Status in Patients on Hemodialysis. Kidney360. 6(1). 76–85.

Liegl, Gregor, Felix Fischer, Bernard Canaud, et al.. (2024). Using a measurement type-independent metric to compare patterns of determinants between patient-reported versus performance-based physical function in hemodialysis patients. Quality of Life Research. 33(11). 2987–3001. 1 indexed citations

Hartmann, Claudia, Gregor Liegl, Matthias Rose, & Felix Fischer. (2024). Towards Standardized Assessment of Outcomes in Back Pain—Validation of Linking Studies Between Disease-Specific and Generic Patient-Reported Outcome Measures. Journal of Clinical Medicine. 13(21). 6524–6524.

Harrison, Conrad, Constantin Yves Plessen, Gregor Liegl, et al.. (2023). Overcoming floor and ceiling effects in knee arthroplasty outcome measurement. Bone and Joint Research. 12(10). 624–635. 7 indexed citations

Obbarius, Alexander, et al.. (2023). Measuring PROMIS pain interference in German patients with chronic conditions: calibration, validation, and cross-cultural use of item parameters. Quality of Life Research. 32(10). 2839–2852. 3 indexed citations

Scholz, C., Constantin Yves Plessen, Gregor Liegl, et al.. (2023). The effect of self‐management techniques on relevant outcomes in chronic low back pain: A systematic review and meta‐analysis. European Journal of Pain. 28(4). 532–550. 7 indexed citations

Plessen, Constantin Yves, Gregor Liegl, Claudia Hartmann, et al.. (2023). How Are Age, Gender, and Country Differences Associated With PROMIS Physical Function, Upper Extremity, and Pain Interference Scores?. Clinical Orthopaedics and Related Research. 482(2). 244–256. 5 indexed citations

Liegl, Gregor, Felix Fischer, Mark Woodward, et al.. (2023). Physical performance tasks were linked to the PROMIS physical function metric in patients undergoing hemodialysis. Journal of Clinical Epidemiology. 159. 128–138. 3 indexed citations

10.

Harrison, Conrad, Constantin Yves Plessen, Gregor Liegl, et al.. (2023). Item response theory assumptions were adequately met by the Oxford hip and knee scores. Journal of Clinical Epidemiology. 158. 166–176. 7 indexed citations

11.

Harrison, Conrad, Constantin Yves Plessen, Gregor Liegl, et al.. (2023). Item response theory may account for unequal item weighting and individual-level measurement error in trials that use PROMs: a psychometric sensitivity analysis of the TOPKAT trial. Journal of Clinical Epidemiology. 158. 62–69. 4 indexed citations

12.

Liegl, Gregor, Leo D. Roorda, Caroline B. Terwee, et al.. (2023). Suitability of the animated activity questionnaire for use as computer adaptive test: establishing the AAQ-CAT. Quality of Life Research. 32(8). 2403–2413. 1 indexed citations

13.

Ligt, Kelly M. de, et al.. (2023). Updated normative data for the EORTC QLQ-C30 in the general Dutch population by age and sex: a cross-sectional panel research study. Quality of Life Research. 32(9). 2477–2487. 15 indexed citations

14.

Obbarius, Alexander, et al.. (2020). Applying Item Response Theory to the OPD Structure Questionnaire: Identification of a Unidimensional Core Construct and Feasibility of Computer Adaptive Testing. Journal of Personality Assessment. 103(5). 645–658. 6 indexed citations

15.

Nolte, Sandra, Annika Waldmann, Gregor Liegl, et al.. (2020). Updated EORTC QLQ-C30 general population norm data for Germany. European Journal of Cancer. 137. 161–170. 42 indexed citations

16.

Obbarius, Alexander, et al.. (2020). <p>A Step Towards a Better Understanding of Pain Phenotypes: Latent Class Analysis in Chronic Pain Patients Receiving Multimodal Inpatient Treatment</p>. Journal of Pain Research. Volume 13. 1023–1038. 20 indexed citations

17.

Fischer, Felix, et al.. (2018). A 67-item stress resilience item bank showing high content validity was developed in a psychosomatic sample. Journal of Clinical Epidemiology. 100. 1–12. 7 indexed citations

18.

Nolte, Sandra, Gregor Liegl, Morten Aagaard Petersen, et al.. (2018). General population normative data for the EORTC QLQ-C30 health-related quality of life questionnaire based on 15,386 persons across 13 European countries, Canada and the Unites States. European Journal of Cancer. 107. 153–163. 275 indexed citations breakdown →

19.

Boeckle, Markus, et al.. (2016). Neural correlates of somatoform disorders from a meta-analytic perspective on neuroimaging studies. NeuroImage Clinical. 11. 606–613. 49 indexed citations

20.

Liegl, Gregor, Inka Wahl, Anne Berghöfer, et al.. (2015). Using Patient Health Questionnaire-9 item parameters of a common metric resulted in similar depression scores compared to independent item response theory model reestimation. Journal of Clinical Epidemiology. 71. 25–34. 16 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