index event

USAGE SUMMARY

"index event" is a correct and usable phrase in written English.
It is usually used to refer to a major event in an index's history, such as a stock market crash or a major correction. For example: "The index event of 2008 was one of the worst stock market crashes in recent history."

✓ Grammatically correct

Science

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

The "index event" may be defined as either the first or the most recent event.

European Journal of Vascular and Endovascular Surgery

The primary endpoint is all-cause mortality 3 years after the ES index event.

Contemporary Clinical Trials Communications

The main secondary endpoint is hospitalization for all causes 3 years after the ES index event.

Contemporary Clinical Trials Communications

In patients with recently symptomatic carotid artery stenosis, guidelines recommend carotid revascularization within 2 weeks of the index event.

European Journal of Vascular and Endovascular Surgery

Costs of the ADHD group in the year after the index event exceeded the costs before the index event by 976 €.

Health Economics Review

Within the first year following the index event, 9.6%% % of patients obtained multimodal therapy (Fig. 1).

Health Economics Review

Annual costs were calculated for the year following the index event.

Health Economics Review

For instance, suspected diagnoses and prescriptions for methylphenidate and atomoxetine occurred prior to the index event.

Health Economics Review

and (2) what was planned to happen before, during and after the index event.

Journal of Applied Volcanology

One patient, whose pheochromocytoma was diagnosed 1 year after the index event, underwent uneventful surgical adrenalectomy.

Annals of Intensive Care

Furthermore, the index event for the control group was generated by a random function.

Health Economics Review

Expert writing Tips

Best practice

When using "index event" in research papers, clearly define what constitutes the "index event" within the specific context of your study to avoid ambiguity.

Common error

Avoid using "index event" without a clear scope or timeframe. Ensure it's evident whether you're referring to the first event or the most recent event in your analysis.

Linguistic Context

The phrase "index event" primarily functions as a noun phrase identifying a significant occurrence that serves as a reference point for analysis or study. Ludwig examples show usage across diverse scientific studies.

Expression frequency: Very common

Frequent in

Science

100%

Less common in

News & Media

0%

Formal & Business

0%

Encyclopedias

0%

Ludwig's WRAP-UP

The phrase "index event" is a common term, especially in scientific and medical literature, to denote a significant occurrence serving as a starting point for analysis. Ludwig AI confirms that this is a correct and usable phrase. To ensure clarity, define the specifics of the "index event" within your context. While predominantly used in formal and scientific settings, be mindful of potential misinterpretations regarding the event's scope. Alternatives such as ""triggering event"" or ""initial occurrence"" can be used based on the specific meaning you wish to convey. Remember, precision in defining the "index event" enhances the rigor and interpretability of your research.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

triggering event

This alternative emphasizes the role of the event in initiating a sequence or process.

initial occurrence

This phrase focuses on the event being the first instance of something.

primary episode

This alternative is often used in medical contexts to refer to the first or main instance of a condition or event.

key incident

This option highlights the importance or significance of the event.

starting point

This alternative suggests the event serves as a beginning or foundation for something else.

defining moment

This phrase indicates that the event significantly shapes subsequent events or outcomes.

index case

This is commonly used in epidemiology to refer to the first identified case in an outbreak.

founding event

This term is used when the event establishes something new or foundational.

root cause

This alternative focuses on the event being the underlying reason or origin of a problem.

precipitating factor

This phrase emphasizes the event's role in causing a subsequent reaction or outcome.

FAQs

How is "index event" typically defined in medical research?

In medical research, the "index event" usually refers to the initial diagnosis, admission, or procedure that marks the beginning of a patient's observation period or treatment pathway. It's crucial to specify the exact criteria used to define the "triggering event" in any study.

Can the "index event" be a recurring event?

Yes, the "index event" can be a recurring event, but it's important to clearly state whether the analysis focuses on the first occurrence, the most recent occurrence, or a randomly selected occurrence among multiple episodes. This distinction is crucial for accurate data interpretation.

What time frame is typically considered when analyzing data related to the "index event"?

The time frame for analyzing data related to the "index event" varies depending on the research question. Studies often examine outcomes within a year after the event, but longer or shorter periods may be used depending on the specific context.

What are some synonyms for "index event" that might be used in different contexts?

Depending on the context, you could use terms like "initial occurrence", "primary episode", or "key incident" to describe the "index event". The best choice depends on the specific focus and nature of the event.