Immortal time bias in survival outcomes when comparing treatment with chemotherapy versus immunochemotherapy for non-small cell lung cancer

Transl Lung Cancer Res. 2025 Jan 24;14(1):300-302. doi: 10.21037/tlcr-24-1002. Epub 2025 Jan 21.

Authors

Kaitlyn M Tsuruda¹, Helga H Hektoen^{1

2}, Denise Reis Costa^{1

3}, Bettina Kulle Andreassen¹

Affiliations

¹ Department of Research, Cancer Registry of Norway, Norwegian Institute of Public Health, Oslo, Norway.
² Department of Cancer Genetics, Institute for Cancer Research, Oslo University Hospital, Oslo, Norway.
³ Norwegian Research Centre for Women's Health, Oslo University Hospital, Oslo, Norway.

No abstract available

Keywords: Lung cancer; immortal time bias; survival analysis.

Publication types

Comment