Survival of Hereditary Non-Polyposis Colorectal Cancer Patients Compared with Sporadic Colorectal Cancer Patients
Author Information
Author(s): Stigliano Vittoria, Assisi Daniela, Cosimelli Maurizio, Palmirotta Raffaele, Giannarelli Diana, Mottolese Marcella, Mete Lupe Sanchez, Mancini Raffaello, Casale Vincenzo
Primary Institution: Regina Elena Cancer Institute
Hypothesis
Do patients with hereditary non-polyposis colorectal cancer (HNPCC) have better overall survival compared to those with sporadic colorectal cancer (CRC)?
Conclusion
Overall survival of colorectal cancer in patients with HNPCC is better than in sporadic CRC patients.
Supporting Evidence
- The median age at diagnosis was 46.8 years for HNPCC patients compared to 61 years for sporadic CRC patients.
- 85% of HNPCC patients had right cancer location, while 57% of sporadic CRC patients did.
- The 5-year cumulative survival was 94.2% for HNPCC patients versus 75.3% for sporadic CRC patients.
Takeaway
People with a specific type of inherited cancer called HNPCC tend to live longer after treatment than those with regular colorectal cancer.
Methodology
The study analyzed a cohort of 40 HNPCC cases and 573 sporadic CRC cases, comparing survival rates using Kaplan-Meier method and log-rank test.
Limitations
The study is retrospective and may not account for all confounding factors.
Participant Demographics
40 HNPCC patients (25 males, 15 females) and 573 sporadic CRC patients (312 males, 261 females).
Statistical Information
P-Value
p < 0.0001
Statistical Significance
p < 0.0001
Digital Object Identifier (DOI)
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