Relations between LyC escape fraction f_esc(LyC) in low-redshift LyC leaking galaxies derived from SED fits and a) the O₃₂ = [O III]λ5007/[O II]λ3727 emission-line flux ratio, and b) stellar mass M_⋆. LyC leakers from Izotov et al. (2016a,b, 2018a,b, 2021a), Borthakur et al. (2014), and Chisholm et al. (2017) are shown by blue-filled circles. The galaxies from Flury et al. (2022a,b) and this paper with detected LyC emission are represented by green- and red-filled circles, respectively. The blue, green, and red arrows denote upper limits in galaxies with non-detected LyC emission. Dotted red lines connect the two different values of the LyC escape fraction from Table 6 for J0232+0025 and J1021+0436, corresponding to higher and lower values obtained from the fluxes within the wavelength ranges with and without the LyC bump, respectively.