Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

737 questions · 750 findings · 76 reviews

No studies found 182 · 24.3%GRADE not reported 95 · 12.7%Very low 229 · 30.5%Low 128 · 17.1%Moderate 76 · 10.1%High 40 · 5.3%

Provider‐ or system‐based interventions vs no intervention or another intervention

Reminder to physician about all participants compared to reminder about half of participants · people aged 60 years and older living in the community

Provider‐ or system‐based interventions leads to higher reminder to physician about all participants compared to reminder… compared with no intervention or another intervention (high certainty).

1 finding from 1 review

Provider‐ or system‐based interventions vs no intervention or another intervention

Reminder (to hospital staff to vaccinate patient) compared to reminder letter to GP on day of discharge · people aged 60 years and older living in the community

Provider‐ or system‐based interventions showed no clear difference in reminder (to hospital staff to vaccinate patient) compared to… compared with no intervention or another intervention (high certainty).

1 finding from 1 review

Provider‐ or system‐based interventions vs no intervention or another intervention

Educational reminders, academic detailing, and peer comparisons to physicians compared to mailed educational materials · people aged 60 years and older living in the community

Provider‐ or system‐based interventions showed no clear difference in educational reminders, academic detailing, and peer comparisons to… compared with no intervention or another intervention (moderate certainty).

1 finding from 1 review

Provider‐ or system‐based interventions vs no intervention or another intervention

Chart review and feedback to physician plus benchmarking to vaccination rates achieved by top 10% of physicians compared to chart review and feedback · people aged 60 years and older living in the community

Provider‐ or system‐based interventions probably leads to higher chart review and feedback to physician plus benchmarking to… compared with no intervention or another intervention (moderate certainty).

1 finding from 1 review

Provider‐ or system‐based interventions vs no intervention or another intervention

Educational outreach plus feedback to practice teams versus written feedback to practice teams · people aged 60 years and older living in the community

Provider‐ or system‐based interventions leads to lower educational outreach plus feedback to practice teams versus written… compared with no intervention or another intervention (high certainty).

1 finding from 1 review

Provider‐ or system‐based interventions vs no intervention or another intervention

Payment to physicians versus no payment · people aged 60 years and older living in the community

Provider‐ or system‐based interventions leads to higher payment to physicians versus no payment compared with no intervention or another intervention (high certainty).

1 finding from 1 review

Provider‐ or system‐based interventions vs no intervention or another intervention

Intervention to increase staff influenza vaccination rate versus no intervention · people aged 60 years and older living in the community

Provider‐ or system‐based interventions showed no clear difference in intervention to increase staff influenza vaccination rate versus no… compared with no intervention or another intervention (high certainty).

1 finding from 1 review

Increasing community demand vs no intervention or another intervention

Client reminder and recall (letter + leaflet or postcard) compared to letter · people aged 60 years and older living in the community

Increasing community demand leads to higher client reminder and recall (letter + leaflet or postcard) compared… compared with no intervention or another intervention (high certainty).

1 finding from 1 review

Increasing community demand vs no intervention or another intervention

Client reminder and recall (telephone call from retired teacher plus educational brochure) compared to usual publicity · people aged 60 years and older living in the community

Increasing community demand leads to higher client reminder and recall (telephone call from retired teacher plus… compared with no intervention or another intervention (high certainty).

1 finding from 1 review

Increasing community demand vs no intervention or another intervention

Client reminder and recall (telephone invitation) compared to invitation to patient when "dropped in" to clinic · people aged 60 years and older living in the community

Increasing community demand probably leads to higher client reminder and recall (telephone invitation) compared to… compared with no intervention or another intervention (moderate certainty).

1 finding from 1 review

Increasing community demand vs no intervention or another intervention

Brochure + lottery for free groceries compared to no intervention · people aged 60 years and older living in the community

Increasing community demand showed no clear difference in brochure + lottery for free groceries compared to no intervention compared with no intervention or another intervention (high certainty).

1 finding from 1 review

Increasing community demand vs no intervention or another intervention

Questionnaires to clients about attitudes · people aged 60 years and older living in the community

Increasing community demand leads to higher questionnaires to clients about attitudes compared with no intervention or another intervention (high certainty).

1 finding from 1 review