OBJECTIVE Cardiac rehabilitation (CR) is an evidence-based intervention delivered by a wide range of high-volume and low-volume centres; however, the extent of volume-outcome relationship is yet to be studied. There is a lack of consensus about the effect of volume on outcomes, with evidence of mixed effects in acute and chronic care. The aim of this study is, to investigate the extent of assoc...

Social media have enjoyed a rapidly increasing adoption among users in recent years. Millions of users execute billions of actions (in form of tweets, messages, replies, likes, etc.) every day. The massive amount of social interactions online has contributed to the proliferation of social advertising. Alongside the interest in online and social advertising, Twitter has introduced several advert...

BACKGROUND AND PURPOSE There exists significant variability in the volume of polymethylmethacrylate cement injected during percutaneous vertebroplasty. Larger cement volumes injected may be associated with better clinical outcomes, but larger volumes may also be associated with greater risk of complications related to cement leakage. We describe an analysis of the association between clinical a...

Für meine Familie " Although it may seem a paradox, all exact science is dominated by the idea of approximation. "

We investigate paid endorsement as a crowd-sourcing social advertising mechanism that allows advertisers to bypass publishers (e.g., Facebook) and recruit individual endorsers of their own choice at affordable prices. Specifically, we investigate (i) how incentives affect endorsers’ participation and effectiveness, (ii) what types of endorsers are most effective in generating online engagement ...

Though some policies have been implemented based on volume-outcome relationships in Japan, no studies systematically reviewed volume-outcome research conducted in Japan. Original data used in this study were obtained from MEDLINE searches using PubMed or from searches of the Ichushi database and complemented with manual searches. Two investigators reviewed and scored 13 articles, using a standa...