Updating a systematic review--what difference did it make? Case study of nicotine replacement therapy.

Journal article

AIMS: To examine the effect of updating a systematic review of nicotine replacement therapy on its contents and conclusions. METHODS: We examined the effects of regular updating of a systematic review of nicotine replacement therapy for smoking cessation. We considered two outcomes. First, we assessed the effect of adding new data to meta-analyses, comparing results in 2000 with the results in 1994. Second, we assessed qualitatively the ways in which the nature of the questions addressed by ...

Expand abstract

Authors: Stead, L; Lancaster, T; Silagy, C

• Journal: BMC medical research methodology
• Volume: 1
• Pages: 10
• Publication date: 2001-01-01
• DOI: 10.1186/1471-2288-1-10
• EISSN: 1471-2288
• Language: English
• Keywords: Review Literature as Topic; Humans; Delayed-Action Preparations; Nicotine; Randomized Controlled Trials as Topic; Smoking Cessation; Drug Delivery Systems; Meta-Analysis as Topic; Follow-Up Studies