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Evidence found and GRADE certainty

4,808 questions · 8,953 findings · 827 reviews · Headline outcomes only

No studies found 1,891 · 21.1%GRADE not reported 380 · 4.2%Very low 2,100 · 23.5%Low 2,449 · 27.4%Moderate 1,684 · 18.8%High 449 · 5%

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Intensification of prophylactic therapy guided by colonoscopy vs intensification guided by clinical recurrence

Recurrence · adult participants (> 16 years of age) undergoing intestinal resection due to Crohn's disease

Intensification of prophylactic therapy guided by colonoscopy showed no clear difference in clinical recurrence ( compared with intensification guided by clinical recurrence (low certainty).

1 finding from 1 review

Intensification of prophylactic therapy guided by colonoscopy vs intensification guided by clinical recurrence

Endoscopic recurrence · adult participants (> 16 years of age) undergoing intestinal resection due to Crohn's disease

Intensification of prophylactic therapy guided by colonoscopy may leads to lower endoscopic recurrence ( compared with intensification guided by clinical recurrence (low certainty).

1 finding from 1 review

Intensification of prophylactic therapy guided by colonoscopy vs intensification guided by clinical recurrence

Adverse effects ( · adult participants (> 16 years of age) undergoing intestinal resection due to Crohn's disease

It is very uncertain whether intensification of prophylactic therapy guided by colonoscopy changes adverse effects ( compared with intensification guided by clinical recurrence (very low certainty).

1 finding from 1 review

Summary of findings table ‐ Postmastectomy radiotherapy (PMRT) vs no PMRT

Locoregional recurrence · women with breast cancer and one to three positive lymph nodes

Summary of findings table ‐ Postmastectomy radiotherapy (PMRT) may leads to lower local and regional recurrence (LRR) compared with no PMRT (low certainty).

1 finding from 1 review

Summary of findings table ‐ Postmastectomy radiotherapy (PMRT) vs no PMRT

Overall survival (OS) · women with breast cancer and one to three positive lymph nodes

Summary of findings table ‐ Postmastectomy radiotherapy (PMRT) probably leads to lower overall survival (OS) compared with no PMRT (moderate certainty).

1 finding from 1 review