ArticleBJS open2022
Impact of COVID-19 on the oncological outcomes of colorectal cancer surgery in northern Italy in 2019 and 2020: multicentre comparative cohort study.
Article in BJS open, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 27 papers, 2 of them syntheses that pooled it.
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Who cites it
27 citing papers in PubMed, 2 syntheses or guidelines pooled it, 37 citations in OpenAlex.
- The impact of COVID-19 on inflammatory bowel disease surgery: a systematic review.Annals of the Royal College of Surgeons of England · 2026Pooled it
- Impact of the COVID-19 pandemic on surgical outcomes in patients undergoing colorectal cancer surgery: A retrospective study and meta-analysis of data from 11,082 participants.Frontiers in public health · 2022Pooled it
- Association Between Colorectal Cancer Screening and Survival in Patients Older Than 70 Years: Results of A National Multicenter Retrospective Study.Journal of surgical oncology · 2026Article
- Influence of COVID-19 pandemic on colon cancer presentations.Frontiers in oncology · 2026Article
- Comorbidities, Socioeconomic Status, and Colorectal Cancer Diagnostic Route.JAMA network open · 2025Article
- The COVID-19 pandemic and clinical characteristics of colorectal cancer: a multicenter retrospective study.Scientific reports · 2025Article
- Impact of the coronavirus disease 2019 pandemic on the number of colorectal cancer surgeries performed: analysis of a nationwide inpatient database in Japan.Surgery today · 2025Article
- The Impact of COVID-19 Pandemic on the Diagnosis, Treatment, and Outcomes of Colorectal Cancer in Singapore.Medicina (Kaunas, Lithuania) · 2025Article
- Impact of the COVID-19 pandemic on the outcomes of colorectal cancer surgical patients treated at a public hospital in Southern Brazil.Frontiers in surgery · 2025Article
- Postoperative Intravenous Iron Infusion in Anemic Colorectal Cancer Patients: An Observational Study.Biomedicines · 2024Article
- Impact of the coronavirus disease 2019 pandemic on gastric and colorectal cancer surgeries: a multicenter epidemiologic study from the Kinki region of Japan.Surgery today · 2024Article
- IMPACT OF THE COVID-19 PANDEMIC ON THE EMERGENCY SURGICAL TREATMENT OF COLORECTAL CANCER.Arquivos brasileiros de cirurgia digestiva : ABCD = Brazilian archives of digestive surgery · 2024Review
- Resilience in Rectal Cancer Treatment: Lessons from the COVID-19 Era in Czech Republic.Therapeutics and clinical risk management · 2024Article
- Impact of COVID-19 Pandemic on the Clinical and Pathologic Characteristics of Colorectal Cancer: A Retrospective Multicenter Study in South Korea.Cancer management and research · 2024Article
- Influence of the COVID-19 Pandemic on the Treatment Patterns and Outcomes of Colorectal Cancer.Ewha medical journal · 2023Review
- Assessing Changes in Colon Cancer Care during the COVID-19 Pandemic: A Four-Year Analysis at a Romanian University Hospital.Journal of clinical medicine · 2023Article
- Early survival for patients newly diagnosed with cancer during COVID-19 in Ontario, Canada: A population-based cohort study.Cancer medicine · 2023Article
- Article
- Timeliness and Modality of Treatment for New Cancer Diagnoses During the COVID-19 Pandemic in Canada.JAMA network open · 2023Article
- The impact of COVID-19 on endoscopy and cancer screening: a focus on access and equity.Therapeutic advances in gastroenterology · 2023Review
Corrections and comments
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Authors and funding
25 authors at 18 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundThis study compared patients undergoing colorectal cancer surgery in 20 hospitals of northern Italy in 2019 versus 2020, in order to evaluate whether COVID-19-related delays of colorectal cancer screening resulted in more advanced cancers at diagnosis and worse clinical outcomes.
methodThis was a retrospective multicentre cohort analysis of patients undergoing colorectal cancer surgery in March to December 2019 versus March to December 2020. Independent predictors of disease stage (oncological stage, associated symptoms, clinical T4 stage, metastasis) and outcome (surgical complications, palliative surgery, 30-day death) were evaluated using logistic regression.
resultsThe sample consisted of 1755 patients operated in 2019, and 1481 in 2020 (both mean age 69.6 years). The proportion of cancers with symptoms, clinical T4 stage, liver and lung metastases in 2019 and 2020 were respectively: 80.8 versus 84.5 per cent; 6.2 versus 8.7 per cent; 10.2 versus 10.3 per cent; and 3.0 versus 4.4 per cent. The proportions of surgical complications, palliative surgery and death in 2019 and 2020 were, respectively: 34.4 versus 31.9 per cent; 5.0 versus 7.5 per cent; and 1.7 versus 2.4 per cent. Cancers in 2020 (versus 2019) were more likely to be symptomatic (odds ratio 1.36 (95 per cent c.i. 1.09 to 1.69)), clinical T4 stage (odds ratio 1.38 (95 per cent c.i. 1.03 to 1.85)) and have multiple liver metastases (odds ratio 2.21 (95 per cent c.i. 1.24 to 3.94)), but were not more likely to be associated with surgical complications (odds ratio 0.79 (95 per cent c.i. 0.68 to 0.93)).
conclusionColorectal cancer patients who had surgery between March and December 2020 had an increased risk of advanced disease in terms of associated symptoms, cancer location, clinical T4 stage and number of liver metastases.
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