Ultimately, NIS/NRD studies can be a powerful introduction to the field of clinical research and offer the opportunity to learn more about methodology and biostatistics. They can also be incredibly ...

We used the Nationwide Inpatient Sample (NIS) Database including the years 1993 to 2008 or its pediatric sub portion Kid’s Inpatient Database (KID) for the years 1997, 2000, 2003 and 2006.

What is unique to ACS NSQIP is the detail of preoperative risk variables collected by the database, allowing for a more robust risk-adjusted analysis compared with NIS, as evidenced by higher c ...

Methods: We conducted a retrospective analysis of the NIS 2021 database. Hospitalised patients with prostate cancer, bladder cancer and depression were identified using the appropriate ICD-10 codes.