Key result
A response time of less than 15 minutes was associated with a 33% survival rate in critical emergency victims with chest pain, compared to less than 5% for response times over 15 minutes.
Why the study?
What are the risk factors affecting the survival of emergency victims presenting with chest pain?
Observational (n=2,020)
What are the risk factors affecting the survival of emergency victims presenting with chest pain?
Absolute Event Rate: 33% vs 5%
In emergency victims presenting with chest pain, male gender, advanced age, residential location, and emergency response times greater than 15 minutes are significant risk factors for mortality.
May support targeting <15-minute responses in chest pain emergencies; leaves open causal impact and need for prospective trials.
RESEARCH QUESTION: What are the risk factors affecting the survival of emergency victims with chest pain as chief complaint. OBJECTIVES: 1. To find out the relative risk of different risk factors. 2. To find out whether the association between survival rate and various sociodemographic variables are statistically significant or not. STUDY DESIGN: Descriptive study. SETTING: This study is based on the Pre-hospital care Records (PCR) of the Emergency Management and Research Institute (EMRI) from May 2007 to December 2007, in Andhra Pradesh. PARTICIPANTS: 2020 emergency victims, with chest pain as the chief complaint, reported to EMRI from May to December 2007. STUDY VARIABLES: Demographic characteristics of the victims, time and day of the incident, response time in handling the emergency, and so on. STATISTICAL ANALYSIS: Proportions, Chi-Square test, and Odds Ratio. RESULTS: Of all the risk factors studied, gender (Male), age (65 +), and incident location (residence), proved to be the risk factors for the non-survival of the victims of medical emergencies, with chest pain as the chief complaint. It was also observed that there was a statistically significant association (P < 0.05) between age, gender, area (urban and rural), and occupation with the survival rate. The response time was significantly associated with the survival rate, only for critical cases. Survival rate increases to 33% with response time less than 15 minutes from less than 5% with the response time more than 15 minutes.
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Jena et al. (2009) conducted an observational in Chest pain (n=2,020). Response time < 15 minutes vs. Response time > 15 minutes was evaluated on Survival rate. A response time of less than 15 minutes was associated with a 33% survival rate in critical emergency victims with chest pain, compared to less than 5% for response times over 15 minutes.
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