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

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)