Table 3: Mortality among 1406 (758 females vs. 648 males) treated edentulous patients undergoing treatment with dental implants 1997–2014 and deceased between 1997 and 2014.

Cause of deathTotal number of deaths ()Number of male deaths ()Number of female deaths ()
ObservedExpectedSMR95% CI†ObservedExpectedSMR95% CIObservedExpectedSMR95% CI

Infectious diseases1043.01.1–5.0413.10.1–6.3623.00.6–5.4
Tumours129373.52.9–4.168174.03.0–4.961193.22.4–4.1
Endocrine/metabolic diseases1024.31.6–6.9623.40.6–6.1431.40.1–2.9
Mental illness2163.72.1–5.2631.90.4–3.41691.70.8–2.5
Diseases in the circulatory system185444.23.6–4.988332.72.1–3.297551.81.4–2.1
Diseases in the respiratory system3675.43.7–7.21462.51.2–3.82282.91.7–4.1
Diseases in the digestive system1133.71.5–5.9622.80.6–5.0531.50.2–2.7
All causes4591872.42.2–2.7219733.02.6–3.42401132.11.9–2.4

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