1) Tennent DJ, Wenke JC, Rivera JC, et al. Characterisation and outcomes of upper extremity amputations. Injury 2014;45:965-9.
2) Reavey PL, Stranix JT, Muresan H, et al. Disappearing digits:analysis of national trends in amputation and replantation in the United States. Plast Reconstr Surg 2018;141:857e-67e.
3) Ziegler-Graham K, MacKenzie EJ, Ephraim PL, Travison TG, Brookmeyer R. Estimating the prevalence of limb loss in the United States:2005 to 2050. Arch Phys Med Rehabil 2008;89:422-9.
4) Kamitani F, Nishioka Y, Noda T, et al. Incidence of lower limb amputation in people with and without diabetes:a nationwide 5-year cohort study in Japan. BMJ Open 2021;11:e048436.
5) Kroger K, Berg C, Santosa F, et al. Lower limb amputation in Germany. Dtsch Arztebl Int 2017;114:130-6.
6) Ishii H, Takamura H, Nishioka Y, et al. Quality of life and utility values for cost-effectiveness modeling in Japanese patients with type 2 diabetes. Diabetes Ther 2020;11:2931-43.
7) Mitsutake S, Ishizaki T, Teramoto C, et al. Patterns of co-occurrence of chronic disease among older adults in Tokyo, Japan. Prev Chronic Dis 2019;16:E11.
8) Nishioka Y, Kubo S, Okada S, et al. The age of death in Japanese patients with type 2 and type 1 diabetes:a descriptive epidemiological study. J Diabetes Investig 2022.
9) Walter N, Alt V, Rupp M. Lower limb amputation rates in Germany. Medicina (Kaunas) 2022;58:101.