Zicai Fu

COPD/OSA phenotypes and inpatient outcome patterns among primary total hip arthroplasty hospitalizations: a national inpatient sample study, 2016–2022

Chronic obstructive pulmonary disease (COPD) and obstructive sleep apnea (OSA) are common among patients undergoing total hip arthroplasty (THA), but whether COPD-only, OSA-only, and coexisting COPD + OSA define distinct inpatient risk phenotypes remains unclear. This retrospecti...