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 1

Mortality among 3902 (2142 females vs. 1760 males) treated edentulous patients undergoing treatment with dental implants 1986–2014 and deceased between 1986 and 2014.

Cause of death	Total number of deceased patients ()				Number of deceased males ()				Number of deceased females ()
	Observed	Expected	SMR	95% CI^†	Observed	Expected	SMR	95% CI	Observed	Expected	SMR	95% CI
Infectious diseases	32	19	1.6^‡	1.1–2.2	17	8	2.2^‡	1.1–3.2	15	12	1.2	0.6–1.9
Tumours	556	294	1.9^‡	1.7–2.0	279	134	2.1^‡	1.8–2.3	277	159	1.7^‡	1.5–1.9
Endocrine/metabolic diseases	49	31	1.5^‡	1.1–1.9	30	13	2.4^‡	1.5–3.2	19	19	1.0	0.5–1.4
Mental illness	103	71	1.4^‡	1.2–1.7	32	19	1.6^‡	1.1–2.2	71	50	1.4^‡	1.1–1.7
Diseases in the circulatory system	883	658	1.3^‡	1.2–1.4	418	265	1.6^‡	1.4–1.7	465	392	1.2^‡	1.1–1.3
Diseases in the respiratory system	183	99	1.8^‡	1.6–2.1	77	42	1.8^‡	1.4–2.2	106	57	1.9^‡	1.5–2.2
Diseases in the digestive system	50	43	1.2	0.8–1.5	27	18	1.5	0.9–2.1	23	25	0.9	0.5–1.3
All causes	2098	1377	1.5^‡	1.5–1.6	1000	563	1.8^‡	1.7–1.9	1098	813	1.35^‡	1.3–1.4

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