It is very uncertain whether metformin changes all‐cause death ( compared with placebo (very low certainty).
Metformin showed no clear difference in all‐cause death ( compared with active control (low certainty).
Ganciclovir showed no clear difference in all‐cause death compared with aciclovir (moderate certainty).
Valaciclovir showed no clear difference in all‐cause death compared with ganciclovir or valganciclovir (low certainty).
Extended showed no clear difference in all‐cause death compared with short‐duration valganciclovir (low certainty).
Antiviral prophylaxis leads to lower all‐cause death compared with placebo or no treatment (high certainty).
Low showed no clear difference in all‐cause death compared with standard dose valganciclovir (low certainty).
Maribavir showed no clear difference in all‐cause death compared with ganciclovir (low certainty).
The review found no eligible studies for this question.
Angiotensin‐converting‐enzyme inhibitors showed no clear difference in all‐cause death Median compared with placebo or no treatment (low certainty).
Angiotensin receptor blockers showed no clear difference in all‐cause death Median compared with angiotensin‐converting‐enzyme inhibitors (low certainty).
Angiotensin‐converting‐enzyme inhibitors (ACEi) alone showed no clear difference in all‐cause death Median compared with ACEi plus angiotensin receptor blockers (low certainty).
Angiotensin receptor blockers (ARB) alone showed no clear difference in all‐cause death Median compared with angiotensin‐converting‐enzyme inhibitors plus ARB (low certainty).
It is very uncertain whether angiotensin receptor blocker (ARB) changes all‐cause death Median compared with another ARB (very low certainty).
Angiotensin receptor blockers showed no clear difference in all‐cause death Median compared with placebo or no treatment (low certainty).