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Review
. 2023 Jan 18;15(3):591.
doi: 10.3390/cancers15030591.

Update on Prevalence of Pain in Patients with Cancer 2022: A Systematic Literature Review and Meta-Analysis

Rolf A H Snijders  1   2 , Linda Brom  1   2 , Maurice Theunissen  3   4 , Marieke H J van den Beuken-van Everdingen  3   4
Affiliations
Review

Update on Prevalence of Pain in Patients with Cancer 2022: A Systematic Literature Review and Meta-Analysis

Rolf A H Snijders et al. Cancers (Basel). .

Abstract

Experiencing pain and insufficient relief can be devastating and negatively affect a patient's quality of life. Developments in oncology such as new treatments and adjusted pain management guidelines may have influenced the prevalence of cancer pain and severity in patients. This review aims to provide an overview of the prevalence and severity of pain in cancer patients in the 2014-2021 literature period. A systematic literature search was performed using the databases PubMed, Embase, CINAHL, and Cochrane. Titles and abstracts were screened, and full texts were evaluated and assessed on methodological quality. A meta-analysis was performed on the pooled prevalence and severity rates. A meta-regression analysis was used to explore differences between treatment groups. We identified 10,637 studies, of which 444 studies were included. The overall prevalence of pain was 44.5%. Moderate to severe pain was experienced by 30.6% of the patients, a lower proportion compared to previous research. Pain experienced by cancer survivors was significantly lower compared to most treatment groups. Our results imply that both the prevalence of pain and pain severity declined in the past decade. Increased attention to the assessment and management of pain might have fostered the decline in the prevalence and severity of pain.

Keywords: cancer pain; meta-analysis; meta-regression; prevalence; systematic review.

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Conflict of interest statement

The authors declare no conflict of interest.

Figures

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Figure 1
PRISMA flow diagram of study selection.
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