有效動物數
English translation: trial animals
| 21:57 Dec 26, 2011 |
| Chinese to English translations [PRO] Medical - Biology (-tech,-chem,micro-) | |||||||
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|  Selected response from: Phil Hand China Local time: 00:34 | ||||||
Grading comment
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| Summary of answers provided | ||||
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| 3 +2 | trial animals |
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| 1 | effective sample size |
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| Summary of reference entries provided | |||
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| Survial analysis (survial rate) & mortality rate |
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Answers
3 hrs confidence: 
peer agreement (net): +2
peer agreement (net): +2trial animals Explanation: just from the meaning. To be a trial/experiment animal, it must be 有效, so the terms should be equivalent here. |
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1 day 7 hrs confidence:
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20 hrs |
| Reference: Survial analysis (survial rate) & mortality rate Reference information: Survival analysis is a branch of statistics which deals with death in biological organisms and failure in mechanical systems. http://en.wikipedia.org/wiki/Survival_analysis In survival analysis, the term "the effective number exposed to risk of dying" is based on the assumption that patients (or trial subjects or trial animals) last seen ALIVE during any year of follow-up, were on the average, observed for one-half of that year. See Page 6 & Table 2 of Page 7 from www.iarc.fr/en/publications/pdfs-online/epi/sp95/sp95-chap1... Therefore, appropriate adjustments have to be made for the differences in survival. For example, some will compare the proportions of tumor-bearing animals among the effective number of animals (ALIVE at the time when the first tumor is discovered). See Page 20 of http://books.google.com.hk/books?id=aVX2tC-OQlYC&pg=PA20&lpg... Thus, the term "effective number" exposed to risk of dying has a unique meaning in survival analysis and the calculation of survival rates or mortality rates. -------------------------------------------------- Note added at 20 hrs (2011-12-27 18:08:49 GMT) -------------------------------------------------- The title should be "Survival analysis (survival rate) & mortality rate". |
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