Example text included "Self-harm", "deliberate poisoning", "intentional self-harm by poisoning", "intentional self-harm by sharp object", "deliberate self-harm by knife". Cases were based on an "intentional self-harm" field established in Westmead Hospital in March 2018, and also by searches of the free text "Presenting problem", "Discharge diagnosis" and "Other diagnoses" fields for keywords relating to intentional self-harm. Cases were enumerated using an "intentional self-harm" field established in Westmead Hospital in March 2018, and also by searches of the free text "Presenting problem", "Discharge diagnosis" and "Other diagnoses" fields for keywords relating to intentional self-harm. [Extracted from the article]