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. 2024 Feb;166(3):503-511.
doi: 10.1007/s11060-024-04572-y. Epub 2024 Feb 10.

The importance of considering competing risks in recurrence analysis of intracranial meningioma

Christian Mirian  1 Lasse Rehné Jensen  2 Tareq A Juratli  3   4 Andrea Daniela Maier  2   5 Sverre H Torp  6   7 Helen A Shih  8 Ramin A Morshed  9 Jacob S Young  9 Stephen T Magill  9   10 Luca Bertero  11 Walter Stummer  12 Dorothee Cäcilia Spille  12 Benjamin Brokinkel  12   13 Soichi Oya  14 Satoru Miyawaki  15 Nobuhito Saito  15 Martin Proescholdt  16 Yasuhiro Kuroi  17 Konstantinos Gousias  18 Matthias Simon  19 Jennifer Moliterno  20 Ricardo Prat-Acin  21 Stéphane Goutagny  22 Vikram C Prabhu  23 John T Tsiang  23 Johannes Wach  24 Erdem Güresir  24 Junkoh Yamamoto  25 Young Zoon Kim  26 Joo Ho Lee  27 Matthew Koshy  28 Karthikeyan Perumal  29 Mustafa K Baskaya  29 Donald M Cannon  30 Dennis C Shrieve  30 Chang-Ok Suh  31 Jong Hee Chang  32 Maria Kamenova  33 Sven Straumann  33 Jehuda Soleman  33 Ilker Y Eyüpoglu  3 Tony Catalan  9 Austin Lui  9 Philip V Theodosopoulos  9 Michael W McDermott  9   34 Fang Wang  35 Fuyou Guo  35 Pedro Góes  36 Manoel Antonio de Paiva Neto  36 Aria Jamshidi  37 Ricardo Komotar  37 Michael Ivan  37 Evan Luther  37 Luis Souhami  38 Marie-Christine Guiot  39 Tamás Csonka  40 Toshiki Endo  41 Olivia Claire Barrett  42 Randy Jensen  43 Tejpal Gupta  44 Akash J Patel  45   46   47 Tiemo J Klisch  47   48 Jun Won Kim  49 Francesco Maiuri  50 Valeria Barresi  51 María Dolores Tabernero  52 Simon Skyrman  53 Anders Broechner  2 Mathias Jacobsen Bach  2 Ian Law  54   55 David Scheie  5 Bjarne Winther Kristensen  5   56 Tina Nørgaard Munch  2   55   57 Torstein Meling  2   58 Kåre Fugleholm  2   55 Paul Blanche  59 Tiit Mathiesen  2   53   55
Affiliations

The importance of considering competing risks in recurrence analysis of intracranial meningioma

Christian Mirian et al. J Neurooncol. 2024 Feb.

Abstract

Background: The risk of recurrence is overestimated by the Kaplan-Meier method when competing events, such as death without recurrence, are present. Such overestimation can be avoided by using the Aalen-Johansen method, which is a direct extension of Kaplan-Meier that accounts for competing events. Meningiomas commonly occur in older individuals and have slow-growing properties, thereby warranting competing risk analysis. The extent to which competing events are considered in meningioma literature is unknown, and the consequences of using incorrect methodologies in meningioma recurrence risk analysis have not been investigated.

Methods: We surveyed articles indexed on PubMed since 2020 to assess the usage of competing risk analysis in recent meningioma literature. To compare recurrence risk estimates obtained through Kaplan-Meier and Aalen-Johansen methods, we applied our international database comprising ~ 8,000 patients with a primary meningioma collected from 42 institutions.

Results: Of 513 articles, 169 were eligible for full-text screening. There were 6,537 eligible cases from our PERNS database. The discrepancy between the results obtained by Kaplan-Meier and Aalen-Johansen was negligible among low-grade lesions and younger individuals. The discrepancy increased substantially in the patient groups associated with higher rates of competing events (older patients with high-grade lesions).

Conclusion: The importance of considering competing events in recurrence risk analysis is poorly recognized as only 6% of the studies we surveyed employed Aalen-Johansen analyses. Consequently, most of the previous literature has overestimated the risk of recurrence. The overestimation was negligible for studies involving low-grade lesions in younger individuals; however, overestimation might have been substantial for studies on high-grade lesions.

Keywords: Competing risk; Meningioma; Neuro-oncology; Recurrence.

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Conflict of interest statement

The authors declare no competing interests.

Figures

Fig. 1
Fig. 1
Flowchart of patients included from the PERNS database
Fig. 2
Fig. 2
The risk of recurrence when estimated with the Kaplan–Meier vs. Aalen-Johansen method while stratified for age group and WHO grade

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