GAD2 and Anxiety: Patients with non-curative treatment prognoses (M = 2.64, SD = 1.51, n = 579) showed higher anxiety levels than those with curative prognoses (M = 2.32, SD = 1.47, n = 398), GAD-2: t (975) = − 3.231, p < .001, d = 0.21.