Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

557 questions · 600 findings · 75 reviews

No studies found 188 · 31.3%GRADE not reported 62 · 10.3%Very low 154 · 25.7%Low 122 · 20.3%Moderate 62 · 10.3%High 12 · 2%

POP surgery with concomitant continence procedure vs no concomitant continence procedure

Abdominal POP surgery with or without concomitant continence surgery: additional Burch colposuspension vs sacrocolpopexy alone · women with POP and SUI

POP surgery with concomitant continence procedure showed no clear difference in abdominal POP surgery with vs without concomitant continence… compared with no concomitant continence procedure (moderate certainty).

1 finding from 1 review

Surgery +/- radiotherapy + (adjuvant) chemotherapy vs Surgery +/- radiotherapy alone (observation or adjuvant radiotherapy only)

Overall survival, post-surgery chemotherapy vs surgery alone (no radiotherapy) · People receiving curative-intent treatment for oral cavity and oropharyngeal (squamous cell) cancer

Surgery +/- radiotherapy + (adjuvant) chemotherapy showed no clear difference in overall survival, adjuvant chemotherapy vs observation alone… compared with surgery +/- radiotherapy alone (observation or adjuvant radiotherapy… (moderate certainty).

1 finding from 1 review

Surgery +/- radiotherapy + (adjuvant) chemotherapy vs Surgery +/- radiotherapy alone (observation or adjuvant radiotherapy only)

Disease-free survival · People receiving curative-intent treatment for oral cavity and oropharyngeal (squamous cell) cancer

Surgery +/- radiotherapy + (adjuvant) chemotherapy led to lower disease-free survival, adjuvant concurrent chemoradiation vs… compared with surgery +/- radiotherapy alone (observation or adjuvant radiotherapy…; GRADE not reported.

1 finding from 1 review

Surgery +/- radiotherapy + (adjuvant) chemotherapy vs Surgery +/- radiotherapy alone (observation or adjuvant radiotherapy only)

Overall survival, adjuvant concomitant chemoradiotherapy vs post-surgery radiotherapy alone · People receiving curative-intent treatment for oral cavity and oropharyngeal (squamous cell) cancer

Surgery +/- radiotherapy + (adjuvant) chemotherapy probably leads to lower overall survival, adjuvant concurrent chemoradiation vs adjuvant… compared with surgery +/- radiotherapy alone (observation or adjuvant radiotherapy… (moderate certainty).

1 finding from 1 review

Prophylactic platelet transfusion prior to surgery vs no prophylactic platelet transfusion prior to surgery

All‐cause mortality within 30 days of surgery · people with a low platelet count

It is very uncertain whether prophylactic platelet transfusion prior to surgery changes all‐cause mortality within 30 days of surgery compared with no prophylactic platelet transfusion prior to surgery (very low certainty).

1 finding from 1 review

Prophylactic platelet transfusion prior to surgery vs alternative treatment

Number of participants with minor procedure‐related bleeding within 7 days of surgery · people with a low platelet count

It is very uncertain whether prophylactic platelet transfusion prior to surgery changes number of participants with minor procedure‐related bleeding within… compared with alternative treatments (very low certainty).

1 finding from 1 review

Prophylactic platelet transfusion prior to surgery vs alternative treatment

Serious adverse events (transfusion‐related adverse effects within 24 hours of the transfusion) · people with a low platelet count

It is very uncertain whether prophylactic platelet transfusion prior to surgery changes serious adverse events (transfusion‐related adverse effects within… compared with alternative treatments (very low certainty).

1 finding from 1 review

Prophylactic platelet transfusion prior to surgery vs no prophylactic platelet transfusion prior to surgery

Number of participants with major bleeding within 7 days of surgery (surgical site bleeding requiring a second intervention or reoperation or surgical site bleeding that causes a haematoma or haemarthrosis of sufficient size to delay mobilisation ... · people with a low platelet count

It is very uncertain whether prophylactic platelet transfusion prior to surgery changes number of participants with major bleeding within 7 days of surgery… compared with no prophylactic platelet transfusion prior to surgery (very low certainty).

1 finding from 1 review

Prophylactic platelet transfusion prior to surgery vs no prophylactic platelet transfusion prior to surgery

Number of participants with minor procedure‐related bleeding within 7 days of surgery · people with a low platelet count

It is very uncertain whether prophylactic platelet transfusion prior to surgery changes the number of participants with minor procedure‐related bleeding… compared with no prophylactic platelet transfusion prior to surgery (very low certainty).

1 finding from 1 review