本刊对统计学符号及统计学方法的要求.pdf

6期A Comparative Study of the Effect of Ilium and Titanium Mesh StrutGraft in the Treatment of Thoracolumbar TuberculosisTUO Yifan1，2，WU Jide1，HU Lihong2，LI Xusheng2，YANG Shengsen2，QIAO Yongdong2，YUAN Haifeng2（1.Ningxia Medical University，Yinchuan750004，China；2.General Hospital of Ningxia MedicalUniversity，Yinchuan750004，China）Abstract：ObjectiveTo compare the long-term efficacy of autogenous iliac bone graft and titanium meshbone graft in stability reconstruction of spinal tuberculosis.MethodsA total of 87 patients with thoracolumbartuberculosis underwent posterior internal fixation followed by anterior radical debridement and bone graft fusionfrom April 2000 to January 2008 were selected.44 patients received autogenous iliac bone graft（AIBG group）and 43 patients received titanium mesh bone graft（TM group）.The mean of operation time，blood loss，ESR，CRP，visual analogue scale（VAS），oswestry disability index（ODI），graft fusion time and related complicationswere compared between the two groups.Frankel grading system，Cobb angle，and loss of angular correction wereemployed to assess neurological and kyphotic improvements.ResultsThe mean follow-up time was 13.4years，ranging from 10 to 18 years.No significant differences were found in the mean of operation time，bloodloss and hospitalization time between the groups（P all0.05）.The VAS，ODI，ESR and CRP were reduced sig-nificantly at the postoperative compared with the preoperation values（P all0.05）.Bone fusion was achieved at（5.30.7）months after surgery in AIBG group and（5.51.5）months after surgery in TM group，with no significant difference between the two groups（P0.05）.All patients showed significant improvement in Cobb angles after surgery（P all0.05）.At the final follow-up，the implant subsidence rate and the loss of angular correction in TM group were significantly higher than thosein AIBG group（P all0.05）.Neurological deficits were improved in all patients at the final follow-up，and noimplant failure and no STB recurrence.ConclusionAfter posterior internal fixation and complete anterior de-bridement of thoracolumbar tuberculosis，the reconstruction of anterior stability with autogenous iliac bone graftor titanium mesh bone graft has no significant effect on the long-term clinical efficacy.However，there is a riskof implant subsidence and the loss of angular correction in the use of titanium mesh as a material for anteriorand middle column reconstruction.Key words：spinal tuberculosis；autogenous iliac bone graft；titanium mesh bone graft；internal fixation拓一帆，等.髂骨与钛网支撑植骨治疗胸、腰椎结核的疗效对比按 GB 335882 统计学名词及符号 的有关规定书写，常用如下：1）样本的算术平均数用英文小写曾-（中位数用 M）；2）标准差用英文小写 s；3）标准误用英文小写 s；4）t 检验用英文小写 t；5）F 检验用英文大写 F；6）卡方检验用希文小写字2；7）相关系数用英文小写 r；8）自由度用希文小写 v；9）概率用英文大写 P（P 值前应给出具体检验值，如 t 值、字2值、q 值等），以上符号均用斜体。关于资料的统计学分析：对于定量资料，应根据实验或调查设计类型和资料的条件选用合适的统计学分析方法，不能盲目套用 t 检验和单因素方差分析；对于定性资料，应根据实验或调查设计类型、列联表中定性变量的性质和分析目的选用合适的统计学分析方法，不能盲目套用 字2检验；对于回归分析，应结合专业知识和散布图选用合适的回归类型，不能盲目套用简单直线回归分析。（本刊编辑部）本刊对统计学符号及统计学方法的要求x625窑窑