marginally significantp = 0.05
Both cohorts exhibited a significant gene length-dependent pattern (Adolescent cohort 1: r = −0.94, t(24) = −13.28, p < 0.001; Adolescent cohort 2: r = −0.93, t(24) = −12.29, p < 0.001), with marginally significant differences in slopes (F(1,48) = 8.46, p = 0.05).