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Better survival in right-sided versus left-sided stage I - III colon cancer patients

Overview of attention for article published in BMC Cancer, July 2016
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Title
Better survival in right-sided versus left-sided stage I - III colon cancer patients
Published in
BMC Cancer, July 2016
DOI 10.1186/s12885-016-2412-0
Pubmed ID
Authors

Rene Warschkow, Michael C. Sulz, Lukas Marti, Ignazio Tarantino, Bruno M. Schmied, Thomas Cerny, Ulrich Güller

Abstract

The distinction between right-sided and left-sided colon cancer has recently received considerable attention due to differences regarding underlying genetic mutations. There is an ongoing debate if right- versus left-sided tumor location itself represents an independent prognostic factor. We aimed to investigate this question by using propensity score matching. Patients with resected, stage I - III colon cancer were identified from the Surveillance, Epidemiology, and End Results (SEER) database (2004-2012). Both univariable and multivariable Cox regression as well as propensity score matching were used. Overall, 91,416 patients (51,937 [56.8 %] with right-sided, 39,479 [43.2 %] with left-sided colon cancer; median follow-up 38 months) were eligible. In univariable analysis, patients with right-sided cancer had worse overall (hazard ratio [HR] = 1.32, 95 % CI:1.29-1.36, P < 0.001) and cancer-specific survival (HR = 1.26, 95 % CI:1.21-1.30, P < 0.001) compared to patients with left-sided cancer. After propensity score matching, the prognosis of right-sided carcinomas was better regarding overall (HR = 0.92, 95 % CI: 0.89 - 0.94, P < 0.001) and cancer-specific survival (HR = 0.90, 95 % CI:0.87 - 0.93, P < 0.001). In stage I and II, the prognosis of right-sided cancer was better for overall (HR = 0.89, 95 % CI:0.84-0.94 and HR = 0.85, 95 % CI:0.81-0.89) and cancer-specific survival (HR = 0.71, 95 % CI:0.64 - 0.79 and HR = 0.75, 95 % CI:0.70-0.80). Right- and left-sided colon cancer had a similar prognosis for stage III (overall: HR = 0.99, 95 % CI:0.95-1.03 and cancer-specific: HR = 1.04, 95 % CI:0.99-1.09). This population-based analysis on stage I - III colon cancer provides evidence that the prognosis of localized right-sided colon cancer is better compared to left-sided colon cancer. This questions the paradigm from previous research claiming a worse survival in right-sided colon cancer patients.

Twitter Demographics

The data shown below were collected from the profile of 1 tweeter who shared this research output. Click here to find out more about how the information was compiled.

Mendeley readers

The data shown below were compiled from readership statistics for 111 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 111 100%

Demographic breakdown

Readers by professional status Count As %
Researcher 18 16%
Student > Bachelor 14 13%
Student > Postgraduate 13 12%
Student > Ph. D. Student 12 11%
Other 11 10%
Other 20 18%
Unknown 23 21%
Readers by discipline Count As %
Medicine and Dentistry 48 43%
Biochemistry, Genetics and Molecular Biology 11 10%
Immunology and Microbiology 4 4%
Agricultural and Biological Sciences 3 3%
Nursing and Health Professions 3 3%
Other 10 9%
Unknown 32 29%

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 29 July 2016.
All research outputs
#7,061,694
of 8,154,593 outputs
Outputs from BMC Cancer
#2,802
of 3,456 outputs
Outputs of similar age
#217,681
of 257,607 outputs
Outputs of similar age from BMC Cancer
#173
of 242 outputs
Altmetric has tracked 8,154,593 research outputs across all sources so far. This one is in the 1st percentile – i.e., 1% of other outputs scored the same or lower than it.
So far Altmetric has tracked 3,456 research outputs from this source. They receive a mean Attention Score of 3.5. This one is in the 1st percentile – i.e., 1% of its peers scored the same or lower than it.
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We're also able to compare this research output to 242 others from the same source and published within six weeks on either side of this one. This one is in the 1st percentile – i.e., 1% of its contemporaries scored the same or lower than it.