Of the 30,950 individuals who presented with self-harm, 1,832 (6.1 percent) died before the end of follow-up. Death was more likely in patients than in the general population and occurred more in males than females. Deaths due to natural causes were 2 to 7.5 times more frequent than expected. For individuals who died of any cause, mean years of life lost was 31.4 years for male patients and 30.7 years for female patients.
"Physical health and life expectancy are severely compromised in individuals who self-harm compared with the general population," concluded the researchers, who stressed that in managing patients who self-harm, clinicians assessing patients' psychosocial problems should also consider their physical needs.
More about assessing patients who self-harm can be found in the American Psychiatric Publishing Textbook of Suicide Assessment and Management, Second Edition here.