Handling of missing component information for common composite score outcomes used in axial spondyloarthritis research when complete-case analysis is unbiased

Polysopoulos, C, Georgiadis, S, Ørnbjerg, L M, Scherer, A, Di Giuseppe, D, Hetland, M L, Nissen, M J, Jones, G T, Glintborg, B, Loft, A G, Wallman, J K, Pavelka, K, Závada, J, Yazici, A, Santos, M J, Ciurea, A, Möller, B, Michelsen, B, Mielnik, P, Huhtakangas, J, Relas, H, Pirkmajer, K P, Rotar, Z, MacDonald, R, Gudbjornsson, B, van der Horst-Bruinsma, I, van de Sande, M & Riek, M 2025, 'Handling of missing component information for common composite score outcomes used in axial spondyloarthritis research when complete-case analysis is unbiased', BMC Medical Research Methodology, vol. 25, no. 1, 55. https://doi.org/10.1186/s12874-025-02515-3