near significanceP = 0.071
3.1.4 Stepwise regression analysis of Pre-discharge care burden Three factors explained 21.5% of the variance in pre-discharge burden (adjusted R 2 = 0.215): (1) postoperative nutritional disorders ( β = 0.213, P = 0.071, near significance); (2) caregiver employment status ( β = 0.264, P = 0.022); (3) length of hospital stay ( β = 0.256, P = 0.028) ( Table 4 ). 3.1.5 Qualitative research results Semi-structured interviews revealed five core themes, which were derived from the shared experiences of caregivers: 3.1.5.1 Navigating the medical system: logistical and access challenges Caregivers encountered substantial barriers when seeking specialized care.