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guojingtao

铁虫 (小有名气)

[求助] 懂临床医学的帮看看这段文字是啥意思?

Stroke or systemic embolism occurred in 182 patients receiving 110 mg of dabigatran (1.53% per year), 134 patients receiving 150 mg of dabigatran (1.11% per year), and 199 patients receivingwarfarin (1.69% per year) (Table 2 and Fig. 1). Both doses of dabigatran were noninferior to warfarin (P<0.001). The 150-mg dose of dabigatran was also superior to warfarin (relative risk, 0.66; 95% confidence interval [CI], 0.53 to 0.82; P<0.001), but the 110-mg dose was not (relative risk, 0.91; 95%CI, 0.74 to 1.11; P = 0.34). Rates of hemorrhagic stroke were 0.38% per year in the warfarin group, as compared with 0.12% per year in the group that received 110 mg of dabigatran (relative risk with dabigatran, 0.31; 95% CI, 0.17 to 0.56; P<0.001) and 0.10% per year in the group that received 150 mg of dabigatran (relative risk, 0.26; 95% CI, 0.14 to 0.49; P<0.001).
上面这段话有谁能帮我讲讲,The 150-mg dose of dabigatran was also superior to warfarin (relative risk, 0.66; 95% confidence interval [CI], 0.53 to 0.82; P<0.001)这句话中0.66,95%,0.53-0.82、p都是什么含义?通过这个可看出达比加群酯全身性栓塞发生率低于华法林么?relative risk是什么意思?In this noninferiority trial, 文章中提到了非劣效性试验,是不是只做非劣效性试验就可以证明药物的有效性?
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ssssllllnnnn

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★
真强必胜: 金币+1, 谢谢 2014-11-05 08:43:33
难道没学过统计学?还是都还给老师了?
relative risk是相对风险,是指一个群体暴露在一定风险下与未暴露在该风险下某事件发生概率的比值。
95%CI,为95%可信区间。还记得正态分布吗?就是5%和95%之间的区域。
P<0.001难道还需要解释?这是统计结构,一般p<0.05表示有显著统计学意义...

你5金币我干吗给你解释这么详细?

噢,还有 noninferiority trial

非劣效性临床试验是评价试验药的治疗效果不比阳性对照药差的临床试验,目的在于证明试验药物与所选定的阳性对照药的疗效差别很小,这么小的差异没有临床上意义。
2楼2014-10-11 10:50:08
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guojingtao

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引用回帖:
2楼: Originally posted by ssssllllnnnn at 2014-10-11 10:50:08
难道没学过统计学?还是都还给老师了?
relative risk是相对风险,是指一个群体暴露在一定风险下与未暴露在该风险下某事件发生概率的比值。
95%CI,为95%可信区间。还记得正态分布吗?就是5%和95%之间的区域。
P ...

0.53-0.82是指的是达比加群酯发生栓塞复发率是华法林的0.53-0.82倍么?
3楼2014-10-11 11:31:34
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ssssllllnnnn

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引用回帖:
3楼: Originally posted by guojingtao at 2014-10-10 22:31:34
0.53-0.82是指的是达比加群酯发生栓塞复发率是华法林的0.53-0.82倍么?...

看来你真的对统计学和正态分布没有概念。
你理解的不对。抓紧看看正态分布、95%可信区间等概念就明白了。
4楼2014-10-11 11:35:21
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