T HE O UT-OF-HOSPITAL U SE OF A D OMESTIC V IOLENCE S CREEN FOR A SSESSING P ATIENT R ISK

Abstract

OBJECTIVES: To determine the following: 1) whether a Domestic Violence Scene Assessment Screen (DVSAS) is accurate at predicting domestic violence (DV) when compared with results on the validated Abuse Assessment Screen (AAS), and 2) whether EMTs can perform accurately on a DVSAS after they have finished a transport so as not to interfere with routine care. METHODS: All patients transported by ambulance from domestic environments (i.e., home) by an urban EMS system were included in the study. A ten-question screen was developed to assess whether a domestic environment had a high risk of having DV (DVSAS). A positive answer to any of the questions was considered to be a positive result on the screen. A trained observer with no clinical duties rode on the ambulance for randomized shifts during a two-month period. The observer completed the DVSAS while at the scene, then the patient, if able, completed the AAS. After finishing the transport, the EMT completed the DVSAS based on his or her memory of the scene. Results of the observer DVSAS were compared with the results of the EMT DVSAS and with the AAS. RESULTS: A total of 43 transports from domestic scenes were included in the study. The observer DVSAS alone was positive in five cases (12%), the EMT DVSAS alone was positive in five cases (12%), and both were positive in seven cases (17%). Agreement between the EMT and the observer yielded a kappa of 0.56 adjusted for chance. Of 15 (42%) patients able to complete the AAS, one (7%) was positive on the AAS alone, four (27%) were positive on the observer DVSAS alone, and three (29%) were positive on both. The observer DVSAS agreed with the AAS results in ten of 15 (66%) of cases. When compared with the AAS, the observer DVSAS had a sensitivity of 75%, specificity of 55%, positive predictive value of 38%, and negative predictive value of 86%. CONCLUSION: Emergency medical technicians can complete the DVSAS at the end of a transport with good agreement with results obtained by an independent observer at the scene. The DVSAS is able to reflect the results of the AAS with moderate to good agreement.

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