borderline significanceP ≥ 0.05
The borderline significance was defined as the P ≥ 0.05, but < 0.10 (0.05 ≤ P < 0.10).
The borderline significance was defined as the P ≥ 0.05, but < 0.10 (0.05 ≤ P < 0.10).
The interaction effect for IUTSE and ASI on frailty index was borderline significant ( P = 0.056).
The interaction effect between IUTSE and ASI on frailty index was marginally significant ( P = 0.056).