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为探讨外科医生的专业化程度对结肠癌手术效果的影响,Martínez-Ramos D、Escrig-Sos J、Miralles-Tena JM等人收集了1995～2000年期间在西班牙卡斯特隆综合医院住院行结肠癌根治性或姑息性切除的236例患者的资料进行回顾性分析,其中经专科医生手术者111例,经非专科医生手术者125例,比较2组患者的5年生存率及无留生存率。未调整的原始分析
To investigate the effect of surgeon’s specialization on the surgical outcomes of colon cancer, Martínez-Ramos D, Escrig-Sos J, Miralles-Tena JM, et al. Collected data from patients with colon cancer at the Castellon General Hospital in Spain between 1995 and 2000 The data of 236 patients who underwent radical or palliative resection were retrospectively analyzed. Among them, 111 cases were treated by specialists and 125 cases were treated by non-specialists. The 5-year and 2-year survival rates of 2 groups were compared . Unadjusted original analysis