Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

43 questions · 43 findings · 16 reviews

No studies found 11 · 25.6%GRADE not reported 7 · 16.3%Very low 7 · 16.3%Low 11 · 25.6%Moderate 6 · 14%High 1 · 2.3%

Radiotherapy (morning) vs Afternoon radiotherapy

Total mortality · People with primary squamous cell carcinoma of the oral cavity (ICD-O C01-C06) or oropharynx (ICD-O C09-C10); head and neck cancer trials…

Morning radiotherapy showed no clear difference in total mortality compared with afternoon radiotherapy; GRADE not reported.

1 finding from 1 review

Radiotherapy (morning) vs Afternoon radiotherapy

Quality of life · People with primary squamous cell carcinoma of the oral cavity (ICD-O C01-C06) or oropharynx (ICD-O C09-C10); head and neck cancer trials…
1 finding from 1 review

Radiotherapy (morning) vs Afternoon radiotherapy

Locoregional control · People with primary squamous cell carcinoma of the oral cavity (ICD-O C01-C06) or oropharynx (ICD-O C09-C10); head and neck cancer trials…

Morning radiotherapy showed no clear difference in locoregional control compared with afternoon radiotherapy; GRADE not reported.

1 finding from 1 review

Radiotherapy (morning) vs Radiotherapy (afternoon/evening)

Oral mucositis (moderate to severe) · Patients with cancer receiving radiotherapy, chemotherapy or targeted therapies

Radiotherapy (morning) showed no clear difference in oral mucositis (moderate to severe) compared with radiotherapy (afternoon/evening); GRADE not reported.

1 finding from 1 review