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Table 3 The ten most frequently used ICD-10 diagnosis for patient ED contacts during 2014–2016 and corresponding cumulative deaths and mortality estimates sorted by frequency

From: Diagnosis and mortality of emergency department patients in the North Denmark region

ICD-10 diagnosis N % Cumulative number of deaths day 1 1-day mortality percent (95% CI) Cumulative number of deaths day 30 30-day mortality percent (95% CI)
DZ039 Observation for suspected disease or condition, unspecified 16,583 5.71 171 1.03(0.89–1.20) 736 4.44(4.14–4.76)
DR100 Acute abdomen 7293 2.51 17 0.23(0.14–0.37) 175 2.40(2.07–2.78)
DS934 Sprain and strain of ankle 7107 2.45 0 9 0.24(0.13–0.47)
DZ768 Persons encountering health services in other specified circumstances 6533 2.25 17 0.26(0.16–0.42) 73 1.12(0.89–1.40)
DZ038 Observation for other suspected diseases and conditions 5293 1.82 10 0.19(0.10–0.35) 114 2.15(1.80–2.58)
DR074 Chest pain, unspecified 4899 1.69 13 0.27(0.15–0.46) 57 1.16(0.90–1.51)
DJ189 Pneumonia, unspecified 4581 1.58 64 1.40(1.10–1.78) 525 11.46(10.57–12.42)
DR060 Dyspnoea 3871 1.33 46 1.19(0.89–1.58) 495 12.79(11.77–13.88)
DS525 Fracture of lower end of radius 3697 1.27 0 9 0.24(0.13–0.47)
DS060 Concussion 3393 1.16 3 0.09(0.03–0.27) 26 0.77(0.52–1.12)