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Table 2 PICO tool

From: Children’s, parents’ and other stakeholders’ perspectives on early dietary self-management to delay disease progression of chronic disease in children: a protocol for a mixed studies systematic review with a narrative synthesis

Population—children aged 16 years or less, parents or carers, health care professionals involved in the provision of care and support of a child aged 0–16.

Intervention—dietary intervention as a form of self-management during the early stages of a chronic disease or CKD (stages 1–3).

Comparison—qualitative and mixed methods studies may not have a comparison group; quantitative studies may compare the given dietary intervention with usual care or standard practice.

Outcome—to delay disease progression.