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Reminders, recall systems boost immunization rates

20 Jan 2018
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Rates of immunization particularly in a primary care setting can be improved by constant patient reminders and recall systems, a recent study has found.

Researchers performed a systematic review of 75 studies that assessed the efficacy of patient reminders and recall intervention on the immunization rates in children, adolescents and adults. The databases of Medline, Central, Embase and Cinahl were accessed for the study.

Pooled data from 55 studies (n=138,625) showed that reminders likely increase the rate of immunization (risk ratio [RR], 1.28; 95 percent CI, 1.23–1.35). Examples of recall interventions included autodialer calls, text messages, letters and postcards, a combination of mail or telephone, and recall with outreach.

Based on high-quality evidence, the most effective reminder methods appear to be the use of postcards (RR, 1.18; 1.08–1.30), text messages (RR, 1.29; 1.15–1.44) and autodialer calls (RR, 1.17; 1.03–1.32). Telephone calls (RR, 1.75; 1.20–2.54) and letters (RR, 1.29; 1.21–1.38) also effectively boost immunization rates, but calculations were based on studies with moderate-quality evidence.

Reminders and recalls are also effective in improving overall immunization rates in children (RR, 1.22; 1.15–1.29) and adolescents (1.29; 1.17–1.42).

When analysed by disease type, rates of influenza vaccination also benefited from patient reminders both in children (RR, 1.51; 1.14–1.99) and in adults (RR, 1.29; 1.17–1.43). Immunization against other adult diseases improved, including tetanus, pneumococcus and hepatitis B, although calculations were based on low-quality evidence (RR, 2.08; 0.91–4.78).

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Most Read Articles
Pearl Toh, 07 Aug 2018
A home-based, self-applied wearable electrocardiogram (ECG) patch facilitates diagnosis of atrial fibrillation (AF) among high-risk individuals, according to the mSToPS* trial.
Roshini Claire Anthony, 2 days ago

A genotype-guided approach to warfarin dosing may result in fewer dose adjustments in Asian patients, according to a study from Singapore.

5 days ago

Fungal microbiome, also called the mycobiome, appears to be highly variable in patients with well-characterized fungal diseases, a recent study has shown. Moreover, severe asthmatics have the highest fungal loads, along with those receiving steroid and antifungal therapy.

Tristan Manalac, 4 days ago
The risk of complicated appendicitis is lower in children with IgE-mediated allergy, according to a recent study.