Several studies in older patients with femoral neck fracture found that preoperative anemia and malnutrition were associated with higher mortality and poorer physical function. Therefore, we compared nutritional status, Hb level, and renal function in women with femoral neck fracture and women of the same age with osteoarthritis of the hip joint.
We enrolled 257 women aged 70 years and older who suffered femoral neck fracture (F group) or who were scheduled to undergo total hip arthroplasty for osteoarthritis of the hip joint (OA group). The F and OA groups were further divided into 2 groups on the basis of age, ie, 74 years old and younger (F70 and OA70) and 75 years old and older (F75 and OA75). To assess whether patients had undernutrition, mortality risk, anemia, and renal dysfunction, we assessed Geriatric Nutritional Risk Index (GNRI), Hb, and eGFR.
We found a significant difference in the mean Hb levels and GNRI scores between the F75 and OA75 and F70 and OA70. Moreover, we found a moderate correlation between Hb level and GNRI score in the F75 and OA75. With respect to the GNRI category, the percentage of patients at moderate or major risk was 42.1% in the F70 group and 57.6% in the F75 group but only 1.9% in the OA70 group and 4.3% in the OA75 group.
We found that women with femoral neck fracture had significantly lower Hb levels and lower GNRI scores than women with hip OA in the same age and that anemia and undernutrition were closely linked in women aged 75 and above. Moreover, we found that more than 40% of patients with a femoral neck fracture had a moderate to major risk on the basis of their GNRI scores.
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Published online: January 06, 2022
Accepted: December 15, 2021
Received in revised form: December 2, 2021
Received: September 24, 2021
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