In the tonsillectomy group, 74 children experienced at least one strep infection after the index date and before age 16.

在扁桃体摘除组，74例儿童在开始日期到16岁之前至少有一次链球菌感染。

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Patients with chronic obstructive pulmonary disease or emphysema were excluded, and all patients were required to have 12-month continuous enrollment before and after the index date.

慢性阻塞性肺疾病或肺气肿患者被排除出本研究。所有患者在上述日期前后需连续12个月参与。

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It should be noted here that the importance of the indexer in maintenance goes beyond just keeping the index up to date.

值得注意的是标引人员在维护索引过程中的重要性不仅仅是保持索引更新。

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To date, Index Strategy Maps have been adopted by two companies, Morningstar, Inc. and ETFguide.com.

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