Table 2 Estimation of the average treatment effect and multivariable Cox regression model among the patients with hgb postoperative day three ≤ 6.5 mmol/L stratified by treatment of postoperative anemia (30-day follow-up), n=210. The multivariable analysis is adjusted for age, gender, CCI, polypharmacy, admission source, and infection in hospital

From: Association between intravenous iron therapy and short-term mortality risk in older patients undergoing hip fracture surgery: an observational study