National results. Hospitals.- Indicators of diagnosis and welfare techniques Distribution of the surgical activity performed in the hospitals of type of surgery according to purpose. Units: ? Total With hospitalisation Major outpatient surgery Remaining outpatient interventions TOTAL 100.00 100.00 100.00 100.00 General 90.18 90.27 88.82 91.33 Short stay special hospitals 9.28 9.49 10.33 7.84 Long stay special hospitals 0.53 0.25 0.85 0.83 Psychiatric Institutions 0.00 0.00 0.00 0.00 Notes: Source: National Statistics Institute