"For every minute that a patient is in cardiac arrest and not receiving effective CPR or defibrillation their chance of survival drops by 10 per cent."

Source: https://www.batemansbaypost.com.au/story/8203917/life-saving-cpr-devices-to-be-installed-in-every-frontline-ambulance-in-nsw/?src=rss

Stuart Rivers, chief executive of the MNWB, said: “Every minute that passes without CPR or defibrillation reduces the chances of survival by up to 10 per cent - and this project will help save lives.

Source: https://www.dailyecho.co.uk/news/23513748.southampton-charity-supports-installation-defibrillators/?ref=rss