The difficult medical emergency call: A register-based study of predictors and outcomes

Table 3 Descriptive analysis of mortality rates per 1,000 person years for individuals where emergency call was categorized as call_unclear vs call_specific

Variable	Level	N_all	N_dead	PY	Rate	95% CI
Overall	-	97,293	10,728 (11%)	66,818	161	158; 164
Emergency priority level A^a	Unclear problem	3,531	534 (15%)	2,367	226	207; 246
Emergency priority level A^a	Specific problem	40,852	6,087 (15%)	26,742	228	222; 233
Emergency priority level B^b	Unclear problem	12,947	1,380 (11%)	9,602	144	136; 152
Emergency priority level B^b	Specific problem	39,963	2,727 (7%)	28,108	97	93; 101

Overall and stratified by emergency priority level. N number of individuals, N _dead number of deaths, PY person years, rate rate of deaths per 1,000 person years, 95% CI 95% confidence interval for the rate of deaths per 1,000 person years. ^aemergency priority level A is life threatening or potentially life threatening symptoms ^bEmergency priority level B is acute but not life threatening symptoms (the medical dispatchers assessment of the patient)

ISSN: 1757-7241