Causes of Death in Implant Patients Treated in the Edentulous Jaw: A Comparison between 2098 Deceased Patients and the Swedish National Cause of Death Register

Table 4

Mortality among 389 treated edentulous patients undergoing treatment with dental implants who were 40–59 years of age at surgery and deceased younger than 60 years and treated and deceased during 1997–2014.

Causes of death	Total number of deceased patients ()
	Observed	Expected	SMR	95% CI^†
Infectious diseases	0	—	—	—
Tumours	8	4	2.1	0.7–3.6
Endocrine/metabolic diseases	1	0.2	4.4	0–12.9
Mental illness	1	0.2	4.0	0.0–12.0
Diseases in the circulatory system	11	2	5.4^‡	2.2–8.5
Diseases in the respiratory system	2	0.3	7.3	0–17.4
Diseases in the digestive system	1	0.4	2.3	0.0–6.9
All causes	28	10	2.7^‡	1.8–3.9

SMR: standardised mortality ratio; ^†95% CI, 95% confidence interval; ^‡statistically significant.