1Based on Nomogram model predicting the risk of adjacent vertebral fractures after bilateral vertebro-plastyCUI Shanlin, CHEN Yongxi, LIU Kedi, FAN Junhong, QIN Zhongshe, GUO Shenghui, MENG Juewei, LI Pinyuan1-52Risk factors of frailty in elderly patients with heart failure:a meta-analysisZHANG Xin, ZHOU Xuemei, LI Meng, HE Hong6-103Effect of long-time retention of scalp needle in the treatment of balance dysfunction after stroke:a me-ta-analysisZHANG Hongli, GU Chencong, WANG Wenjun, HAN Gang, YANG Tong, WANG Lichun11-184Effect of hyponatremia on prognosis of elderly patients with novel coronavirus infectionZHU Tong, JIANG Man19-225Study on quality evaluation system of chronic disease management in nursing home based on DEMA-TEL-ANPYE Liguang, ZHANG Ruiqiu, ZHANG Bei, ZHU Guodong23-286Current situation,problems and countermeasures of satisfaction of elderly residents in community nurs-ing homes in WuhanZHANG Hongping, CHENG Zhi, LIU Jingxing29-327Construction of a joint prediction model and diagnostic value of indicators of limited ability to perform ac-tivities of daily living in elderly patients with heart diseaseNI Zhihong33-388Quality of life status and influencing factors in elderly patients with functional constipation from the per-spective of positive psychologyLU Yan, HUI Rong, LI Dongliu, ZHANG Jianqing39-469Research progress on the mechanism of action on glucagon-like peptide-1 receptor agonists in obesity cardiomyopathyGAO Shan, HU Tingting, ZHOU Xinli47-5110Research progress on early prediction of postoperative delirium in elderly patientsGAO Shengrun, LI Yuheng, LI Yun, LI Kezhong, ZHENG Jide, LI Yan52-5711Research progress on the effects of mind-body therapy on brain structure and function in patients with mild cognitive impairment based on magnetic resonance imagingLI Xiaohan, YAN Jiamin, CHEN Shujiao58-6212Research progress on risk factors and risk models for death in patients with non-ST elevated myocardi-al infarctionMA Xiaohui, LIU Lei, LI Bo, SUN Jinju, MENG Jixian, ZHEN Ziyi, XU Yikang63-6813Research progress on the current situation and prevention of pressure injury in elderly care institutionsXIAO Yongfeng, WANG Guangyang69-73