'Australian hospital statistics 2011-12' presents a detailed overview of Australia's public and private hospitals. In 2011-12, there were about 9.3 million separations from hospitals, including: 5.5 million same-day acute separations; 3.7 million overnight acute separations; about 423,000 sub-acute and non-acute separations. There were also 7.8 million non-admitted patient emergency services and more than 45 million outpatient services provided by public hospitals.