Christian H Nickel1, John Kellett2, Tim Cooksley3, Roland Bingisser4, Daniel P Henriksen5, Mikkel Brabrand6. 1. Emergency Department, University Hospital Basel, Switzerland. Electronic address: christian.nickel@usb.ch. 2. Department of Emergency Medicine, Hospital of South West Jutland, Esbjerg, Denmark. 3. Department of Acute Medicine, University Hospital of South Manchester, United Kingdom. 4. Emergency Department, University Hospital Basel, Switzerland. 5. Department of Emergency Medicine, Odense University Hospital, Denmark. 6. Department of Emergency Medicine, Hospital of South West Jutland, Esbjerg, Denmark; Department of Emergency Medicine, Odense University Hospital, Denmark.
Abstract
AIM: To investigate the combined use of NEWS and D-dimer levels to predict the 30-day and 365-day mortality rates of a cohort of Danish patients with complete follow-up. METHODS: Post-hoc retrospective observational study of acutely admitted medical patients aged 18 years or older who had D-dimer measured within 6h after arrival to two medical admission units in Denmark. RESULTS: The final study population consisted of 1201 patients with a median age of 65.0 years (range 18.0-107.0 years), and 44.7% were of male sex. Four patients (0.3%) died within 24h of admission, 69 (5.7%) within 30 days and 198 (16.5%) within 365 days. On admission, 576 (48%) patients had a NEWS≥3 - of these 441 had a D-dimer≥0.50mgL(-1): 55 (12.5%) of these patients died within 30 days, compared with 5 (3.7%) of the 135 patients with a D-dimer<0.50mgL(-1) (odds ratio 3.7, 95%CI 1.4-10.8). Nine of the 625 patients with a NEWS on admission <3 died within 30 days and all of these patients had a D-dimer≥0.50mgL(-1). None of the 218 patients with a D-dimer<0.50mgL(-1) died within 30 days of admission. CONCLUSION: The combination of NEWS score<3 and D-dimer levels below 0.50mgL(-1) appears to identify patients of low risk of mortality within 30 days and, therefore, may prove to be a powerful risk assessment tool for acutely ill medical patients.
AIM: To investigate the combined use of NEWS and D-dimer levels to predict the 30-day and 365-day mortality rates of a cohort of Danish patients with complete follow-up. METHODS: Post-hoc retrospective observational study of acutely admitted medical patients aged 18 years or older who had D-dimer measured within 6h after arrival to two medical admission units in Denmark. RESULTS: The final study population consisted of 1201 patients with a median age of 65.0 years (range 18.0-107.0 years), and 44.7% were of male sex. Four patients (0.3%) died within 24h of admission, 69 (5.7%) within 30 days and 198 (16.5%) within 365 days. On admission, 576 (48%) patients had a NEWS≥3 - of these 441 had a D-dimer≥0.50mgL(-1): 55 (12.5%) of these patients died within 30 days, compared with 5 (3.7%) of the 135 patients with a D-dimer<0.50mgL(-1) (odds ratio 3.7, 95%CI 1.4-10.8). Nine of the 625 patients with a NEWS on admission <3 died within 30 days and all of these patients had a D-dimer≥0.50mgL(-1). None of the 218 patients with a D-dimer<0.50mgL(-1) died within 30 days of admission. CONCLUSION: The combination of NEWS score<3 and D-dimer levels below 0.50mgL(-1) appears to identify patients of low risk of mortality within 30 days and, therefore, may prove to be a powerful risk assessment tool for acutely ill medical patients.
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