The hospital categories are according to the hospital typology developed by the Federal Statistical Office (FSO). Description Description (FSO) Type Number of treated cases per year (inpatient) Number of hospitals (according to BAG 2006) General Hospitals Centrally provided treatments 1 Hospitals providing all kind of treatment centrally, provision level 1 K111 > 30'000 5 Centrally provided treatments 2 Hospitals providing all kind of treatment centrally, provision level 2 K112 9'000 - 30'000 22 Basic care 3 Basic care, provision level 3 K121 6'000 - 9'000 28 Basic care 4 Basic care, provision level 4 K122 3'000 - 6'000 52 Basic care 5 Basic care, provision level 5 K123 < 3'000 51 Source: FSO, Federal Statistical Office (PDF)