Author:
Song Chenxi,Fu Rui,Li Sidong,Yang Jingang,Wang Yan,Xu Haiyan,Gao Xiaojin,Liu Jia,Liu Qianqian,Wang Chunyue,Dou Kefei,Yang Yuejin
Abstract
ObjectivesTo simplify our previous risk score for predicting the in-hospital mortality risk in patients with non-ST-segment elevation myocardial infarction (NSTEMI) by dropping laboratory data.DesignProspective cohort.SettingMulticentre, 108 hospitals across three levels in China.ParticipantsA total of 5775 patients with NSTEMI enrolled in the China Acute Myocardial Infarction (CAMI) registry.Primary outcome measuresIn-hospital mortality.ResultsThe simplified CAMI-NSTEMI (SCAMI-NSTEMI) score includes the following nine variables: age, body mass index, systolic blood pressure, Killip classification, cardiac arrest, ST-segment depression on ECG, smoking status, previous angina and previous percutaneous coronary intervention. Within both the derivation and validation cohorts, the SCAMI-NSTEMI score showed a good discrimination ability (C-statistics: 0.76 and 0.83, respectively); further, the SCAMI-NSTEMI score had a diagnostic performance superior to that of the Global Registry of Acute Coronary Events risk score (C-statistics: 0.78 and 0.73, respectively; p<0.0001 for comparison). The in-hospital mortality increased significantly across the different risk groups.ConclusionsThe SCAMI-NSTEMI score can serve as a useful tool facilitating rapid risk assessment among a broader spectrum of patients admitted owing to NSTEMI.Trial registration numberNCT01874691.
Funder
Scientific and Technological Department of China
Peking Union Medical College
Chinese Academy of Medical Sciences
Cited by
7 articles.
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