總之，本研究采用GNRI方法初步研究了老年食管癌患者营养风险状态与预后的关系，发现了低营养风险组患者预后较好，老年营养风险指数是行根治性放疗的老年食管癌患者的独立预后影响指标。

    [参考文献]

    [1] Gartner S，Kraft M，Kruger J，et al. Geriatric nutritional risk index correlates with length of hospital stay and inflammatory markers in older inpatients [J]. Clin Nutr，2017，36(4)：1048-1053.

    [2] Chen J，Qin X，Li Y，et al. Comparison of three nutritional screening tools for predicting mortality in maintenance hemodialysis patients [J]. Nutrition ......