Ko, Clifford Y.

Toward Robust Information: Data Quality and Inter-Rater Reliability in the American College of Surgeons National Surgical Quality Improvement Program

Shiloach, M., Frencher, S. K., Steeger, J. E., Rowell, K. S., Bartzokis, K., Tomeh, M. G., Richards, K. E., Ko, C. Y., & Hall, B. L. (2010) · Journal of the American College of Surgeons

Reliability and Agreement in MeasurementHealthcare Quality and Management

Cited by 1,306

First Report from the American College of Surgeons Bariatric Surgery Center Network: Laparoscopic Sleeve Gastrectomy has Morbidity and Effectiveness Positioned Between the Band and the Bypass

Hutter, M. M., Schirmer, B. D., Jones, D. B., Ko, C. Y., Cohen, M. E., Merkow, R. P., & Nguyen, N. T. (2011) · Annals of Surgery

Bariatric Surgery and OutcomesMinimally Invasive Surgical Techniques

Cited by 673

Optimizing ACS NSQIP Modeling for Evaluation of Surgical Quality and Risk: Patient Risk Adjustment, Procedure Mix Adjustment, Shrinkage Adjustment, and Surgical Focus

Cohen, M. E., Ko, C. Y., Bilimoria, K. Y., Zhou, L., Huffman, K., Wang, X., Liu, Y., Kraemer, K., Meng, X., Merkow, R., et al. (2013) · Journal of the American College of Surgeons

Healthcare Quality and ManagementCardiac, Anesthesia and Surgical Outcomes

Cited by 583

National Cluster-Randomized Trial of Duty-Hour Flexibility in Surgical Training

Bilimoria, K. Y., Chung, J. W., Hedges, L. V., Dahlke, A. R., Love, R., Cohen, M. E., Hoyt, D. B., Yang, A. D., Tarpley, J. L., Mellinger, J. D., et al. (2016) · New England Journal of Medicine

Hospital Admissions and OutcomesInnovations in Medical Education

Cited by 460

Exercise Following Bariatric Surgery: Systematic Review

Livhits, M., Mercado, C., Yermilov, I., Parikh, J. A., Dutson, E., Mehran, A., Ko, C. Y., & Gibbons, M. M. (2010) · Obesity Surgery

Bariatric Surgery and OutcomesBody Contouring and Surgery

Cited by 197

Disparities in surgical access: a systematic literature review, conceptual model, and evidence map

de Jager, E., Levine, A. A., Udyavar, R. N., Burstin, H. R., Bhulani, N., Hoyt, D. B., Ko, C. Y., Weissman, J. S., Britt, L. D., Haider, A. H., et al. (2019) · Journal of the American College of Surgeons

Health disparities and outcomesHealthcare Policy and Management

Cited by 178

An examination of American College of Surgeons NSQIP surgical risk calculator accuracy.

Cohen, M. E., Liu, Y., Ko, C. Y., & Hall, B. L. (2017) · Journal of the American College of Surgeons

Cardiac, Anesthesia and Surgical OutcomesStatistical Methods in Epidemiology

Cited by 176

Association of the 2011 ACGME Resident Duty Hour Reform With General Surgery Patient Outcomes and With Resident Examination Performance

Rajaram, R., Chung, J. W., Jones, A. T., Cohen, M. E., Dahlke, A. R., Ko, C. Y., Tarpley, J. L., Lewis, F. R., Hoyt, D. B., & Bilimoria, K. Y. (2014) · JAMA

Hospital Admissions and OutcomesInnovations in Medical Education

Cited by 139

Surgeon perception of risk and benefit in the decision to operate.

Sacks, G. D., Dawes, A. J., Ettner, S. L., Brook, R. H., Fox, C. R., Maggard-Gibbons, M., Ko, C. Y., & Russell, M. M. (2016) · Annals of Surgery

Clinical Reasoning and Diagnostic SkillsPatient-Provider Communication in Healthcare

Cited by 100

Development of the Flexibility in Duty Hour Requirements for Surgical Trainees (FIRST) Trial Protocol: A National Cluster-Randomized Trial of Resident Duty Hour Policies

Bilimoria, K. Y., Chung, J. W., Hedges, L. V., Dahlke, A. R., Love, R., Cohen, M. E., Tarpley, J., Mellinger, J., Mahvi, D. M., Kelz, R. R., et al. (2016) · JAMA Surgery

Hospital Admissions and OutcomesInnovations in Medical Education

Cited by 87

Validity and Feasibility of the American College of Surgeons Colectomy Composite Outcome Quality Measure

Merkow, R. P., Hall, B. L., Cohen, M. E., Wang, X., Adams, J. L., Chow, W. B., Lawson, E. H., Bilimoria, K. Y., Richards, K., & Ko, C. Y. (2013) · Annals of Surgery

Healthcare Quality and ManagementColorectal Cancer Surgical Treatments

Cited by 53

Association of the 2011 ACGME Resident Duty Hour Reform with Postoperative Patient Outcomes in Surgical Specialties

Rajaram, R., Chung, J. W., Cohen, M. E., Dahlke, A. R., Yang, A. D., Meeks, J. J., Ko, C. Y., Tarpley, J. L., Hoyt, D. B., & Bilimoria, K. Y. (2015) · Journal of the American College of Surgeons

Hospital Admissions and OutcomesPatient Safety and Medication Errors

Cited by 33

Association between postoperative complications and reoperation for patients undergoing geriatric surgery and the effect of reoperation on mortality

Chow, W. B., Merkow, R. P., Cohen, M. E., Bilimoria, K. Y., & Ko, C. Y. (2012) · The American Surgeon™

Cardiac, Anesthesia and Surgical OutcomesFrailty in Older Adults

Cited by 22

The Randomized Registry Trial: Two Birds, One Stone

Liu, J. B., D’Angelica, M. I., & Ko, C. Y. (2017) · Annals of Surgery

Statistical Methods in Clinical TrialsMeta-analysis and systematic reviews

Cited by 15