There is an error in the second sentence of the Results section of the Abstract. The correct sentence is: According to the Newcastle-Ottawa Scale (NOS), eight papers were considered high quality.
There is an error in the third sentence of the Results section of the Abstract. The correct sentence is: After the data of these 10 studies were combined, an increased risk of CRC was found among the individuals who had undergone cholecystectomy (risk ratio (RR) 1.22; 95% confidence interval (CI) 1.08–1.38).
There is an error in the last sentence under the heading “Literature search and study characteristics” in the Results section. The correct sentence is: The NOS scores for 8 of the included articles were ≥ 7.0, indicating high quality.
There is an error in the fourth sentence of the Discussion section. The correct sentence is: But, contrary to Chiong’s study [41], no relationship between cholecystectomy and RC was found in our study.
Reference
- 1.Zhang Y, Liu H, Li L, Ai M, Gong Z, He Y, et al. (2017) Cholecystectomy can increase the risk of colorectal cancer: A meta-analysis of 10 cohort studies. PLoS ONE 12(8): e0181852 https://doi.org/10.1371/journal.pone.0181852 [DOI] [PMC free article] [PubMed] [Google Scholar]