Chinese Journal of Tissue Engineering Research ›› 2018, Vol. 22 ›› Issue (19): 3110-3116.doi: 10.3969/j.issn.2095-4344.0253
Lü Yang1, Wang Hai-zhou1, Zhong De-gui2, Liu Jun1, Chen Hai-yun1, Pan Jian-ke1
Online:
2018-07-08
Published:
2018-07-08
Contact:
Chen Hai-yun, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine/ Guangdong Provincial Hospital of Traditional Chinese Medicine, Guangzhou 510120, Guangdong Province, China
About author:
Lü Yang, Physician, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine/ Guangdong Provincial Hospital of Traditional Chinese Medicine, Guangzhou 510120, Guangdong Province, China
Supported by:
the Science and Technology Project of Guangdong Province, No. 2012B061700037; the Medical Science and Technology Research Fund Project of Guangdong Province, No. A2017215; a grant from the Guangdong Provincial Finace Department, No. [2014]157; the Special Foundation for the Science and Technology Research Traditional Chinese Medicine of Guangdong Provincial Hospital of Traditional Chinese Medicine, No. YK2013B2N19.
CLC Number:
Lü Yang, Wang Hai-zhou, Zhong De-gui, Liu Jun, Chen Hai-yun, Pan Jian-ke. Comparison of efficacy of lateral decubitus and supine position in treatment of elderly unstable intertrochanteric fractures with proximal femoral nail antirotation[J]. Chinese Journal of Tissue Engineering Research, 2018, 22(19): 3110-3116.
2.2 Meta分析结果 2.2.1 手术时间 共8篇文献报告了平均手术时间[9-16],由于研究间存在异质性,进行敏感性分析未见明显异常,分别对5篇纳入老年股骨转子间骨折的文献[9-12,14],以及3篇单独纳入老年股骨转子间骨折伴有肥胖的文献进行亚组分 析[13,15-16],异质性检验I2分别为0%和35%,均采用固定效应模型综合分析,分别得到[SMD=-2.92,95%CI(-3.28,-2.55),Z=15.67,P < 0.001] 和[SMD=-0.81,95%CI (-1.01,-0.61),Z=7.89,P < 0.000 1],两者差异均有显著性意义,见图3。 2.2.2 术前准备时间 共2篇报道了术前准备时间[9-10],研究存在异质性(I2=97%),而此Meta分析只纳入2个研究,不进行敏感性分析,各研究无临床异质性,纳入随机效应模型提示组间差异有显著性意义[MD=-7.58,95%CI (-14.42,-0.74),P=0.03 < 0.05],见图4。 2.2.3 术中透视次数 5个研究报道了术中平均透视相关指标[9-12,15],其中3篇文献提供了与术中平均透视次数的平均数和标准差[10,12,15],研究间存在统计学异质性(I2=87%),而此Meta分析只纳入3个研究,不进行敏感性分析,各研究无临床异质性,纳入随机效应模型提示结果具有统计学意义[MD=2.82,95%CI(0.91,4.72),P=0.004 < 0.01],见图5。其余2篇文献亦报道平卧位牵引床对术中透视时间/放射量低于平卧位人工牵引[9,11],且差异有显著性意义,但考虑两者单位不一致,未能合并进行综合分析。"
2.2.4 伤口长度 共4篇报道了平均伤口长度[10,13-15],人工牵引组与牵引床牵引进行Meta分析,研究间不存在异质性(I2=0%),纳入固定效应模型提示结果差异有显著性意义[MD=-1.92,95%CI(-2.17,-1.67),P < 0.000 1],见图6。 2.2.5 术中出血量 共6篇报道了平均伤口长度[9-10,12,14-16],2组研究间存在异质性(I2=96%),进行敏感性分析未见异常,分别对2篇单独纳入老年股骨转子间骨折伴有肥胖的文献[12-13],以及4篇纳入老年股骨转子间骨折的文献进行亚组分析[9,10,12,14],异质性检验I2分别为0%和95%,前者使用固定效应模型得到[MD=-49.86,95%CI(-57.07,-42.65),Z=13.58,P < 0.000 1],后者使用随机效应模型得到[MD=-22.90,95%CI(-14.63,-4.57),Z=3.74,P=0.000 2],两者差异均有显著性意义,见图7。 2.2.6 术后6个月Harris功能评分 共4篇报道了术后6个月Harris功能评分[9-10,12,14],研究存在异质性(I2=79%),敏感性分析剔除其中1个无临床异质性的研究[14],剩余研究间不存在异质性(I2=0%),纳入固定效应模型提示结果差异无显著性意义[MD=0.55,95%CI(-0.77,1.86),P > 0.05],见图8。"
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