National results. Hospitals.- Indicators of diagnosis and welfare techniques Distribution of diagnosis techniques in the hospitals diagnosis techniques and objective. Units: ? TOTAL General Short stay special hospitals Long stay special hospitals Psychiatric Institutions Image: X-Ray Studies 100.00 93.30 6.01 0.66 0.03 Image: C.A.T. 100.00 95.26 4.69 0.02 0.03 Image: Magnetic resonance 100.00 89.09 10.66 0.02 0.24 Image: Hemodynamic studies 100.00 96.88 3.12 0.00 0.00 Image: Digital angiography 100.00 97.14 2.86 0.00 0.00 Image: Gammagraphy 100.00 93.47 6.53 0.00 0.00 Laboratory: Determinations 100.00 97.38 2.42 0.17 0.03 Pathological Anatomy: Biopsies 100.00 96.50 3.36 0.14 0.00 Pathological Anatomy: Necropsies 100.00 98.20 1.80 0.00 0.00 Notes: 1) 1) ~'diagnosis techniques,Pathological Anatomy: Necropsies'~Number of Necropsies does not include information related to perinatal Necropsies of the Autonomous Community of Cataluña due to data of some hospitals isnot available Source: National Statistics Institute