儿童四叠体池蛛网膜囊肿临床特点及疗效分析：一项定量回顾性研究
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刘美伶, 包磊, 闵令钊, 魏嘉, 华丽, 王晓强
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Clinical characteristics and surgical outcome analysis of quadrigeminal cistern arachnoid cysts in children: a quantitative retrospective cohort study
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Liu Meiling, Bao Lei, Min Lingzhao, Wei Jia, Hua Li, Wang Xiaoqiang
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表3 术前及术后的QAC体积、Evans指数变化情况
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Tab 3 Changes in QAC volume and Evans index before and after surgery
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| Item | Preoperative | At 3 months postoperatively | At 12 months postoperatively | At 24 months postoperatively |
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| Value | t value | P value | Value | t value | P value | Value | t value | P value |
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| Evans index | 0.29 (0.24, 0.48) | 0.28 (0.24, 0.44) | 0.319 | 0.751 | 0.28 (0.25, 0.41) | 0.459 | 0.649 | 0.33±0.09 | 0.422 | 0.677 | | QAC volume/mm3 | 33 456 (15 022, 138 478) | 16 982 (9 166, 66 872) | 3.580 | 0.001 | 29 020 (11 646, 63 938) | 1.551 | 0.129 | 62 669±48 573 | 0.549 | 0.588 | | Evans index change rate | ‒ | 0.03±0.08 | 1.889 | 0.070 | 0 (-0.04, 0.14) | -0.399 | 0.696 | 0.09 (-0.04, 0.26) | -0.256 | 0.804 | | QAC volume change rate | ‒ | 0.36 (0.15, 0.50) | 2.947 | 0.007 | 0.26 (-0.02, 0.60) | 0.024 | 0.981 | 0.22 (-0.21, 0.31) | -0.459 | 0.657 |
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