| 1. | Who has today revised its initial estimates of the case fatality ratio of sars
Who今天修订了它关于sars病死率的最初估计。 |
| 2. | A case fatality ratio measures the proportion of all people with a disease who will die from the disease
病例病死率计量所有人群中死于所患疾病的比例。 |
| 3. | Many factors complicate efforts to calculate a case fatality ratio while an outbreak is still evolving
疾病仍处于暴发期时很多因素使计算病例病死率的努力复杂化。 |
| 4. | One method of overcoming this difficulty is to calculate the case fatality ratio using only those cases whose final outcome ? died or recovered ? is known
一种克服这个困难的方法是仅用那些最终已知的病例死亡或痊愈来统计。 |
| 5. | He infection is a major cause of morbidity in deeloping countries and carries an oerall case fatality ratio of 1 to 3 % , according to the report in the new england journal of medicine for march 1
根据三月一日的新英格兰医学杂志的一份报告所称，在发展中国家he感染是一种主要的疾病，病死率达1 %到3 % 。 |
| 6. | Calculating case fatality as the number of deaths reported divided by the number of cases reported irrespective of the time elapsed since they became ill gives an underestimate of the true case fatality ratio
仅用报告的死亡数除以报告的病例数而不考虑发病仍在继续，这样统计的病例病死率将低于真实的病死率。 |
| 7. | On the basis of more detailed and complete data , and more reliable methods , who now estimates that the case fatality ratio of sars ranges from 0 % to 50 % depending on the age group affected , with an overall estimate of case fatality of 14 % to 15 %
通过更详细和完全的数据以及更可靠的方法， who现在估计sars病死率的范围在0 %到50 %之间，随感染的年龄组变化，整体估计死亡率为14 %到15 % 。 |
