National results. Hospitals.- Indicators of diagnosis and welfare techniques Surgical activity performed in the hospitals per available theatre objective and according to purpose and type of surgery. Units: ? Total With hospitalisation Major outpatient surgery Remaining outpatient interventions TOTAL 1,145.74 592.94 272.49 280.31 General 1,166.50 604.25 273.23 289.02 Short stay special hospitals 1,021.15 539.97 270.20 210.98 Long stay special hospitals 606.89 144.86 230.89 231.14 Psychiatric Institutions .. .. .. .. Notes: Source: National Statistics Institute