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Table 1 Demographic data for the conditions under study

From: Correlation of neuter status and expression of heritable disorders

Disease % in Total Study Population Females (n) Neutered Females (n) Males (n) Neutered Males (n) Ratio of Intact to Neutered Ratio of Female to Male Prevalence
Congenital
 Aortic Stenosis 0.49 134 88 144 77 278 : 165 50.1 : 49.9
 Mitral Valve Dysplasia 0.22 44 57 47 49 91 : 106 51.3 : 48.7
 Patent ductus arteriosus 0.51 258 73 102 25 360 : 98 72.3 : 27.7
 Portosystemic Shunt 0.74 161 172 158 178 319 : 350 49.8 : 50.2
 Ventricular Septal Defect 0.17 63 25 53 16 116 : 41 56.1 : 43.9
Ocular
 Early onset Cataracts 0.88 152 241 151 246 303 : 487 49.7 : 50.3
 Lens Luxation 0.44 39 178 41 138 80 : 316 54.8 : 45.2
Orthopedic
 Elbow Dysplasia 1.51 119 431 252 561 371 : 992 40.4 : 59.7
 Hip Dysplasia 2.03 187 682 286 673 473 : 1355 47.5 : 52.5
 Intervertebral disc disease 5.93 307 2047 819 2168 1126 : 4215 44.1 : 55.9
 Patellar Luxation 2.75 284 1095 324 773 608 : 1868 55.7 : 44.3
 Ruptured Anterior Cruciate Ligament 1.46 55 693 83 487 138 : 1180 56.7 : 43.3
Cancers
 Hemangiosarcoma 0.76 22 289 83 288 105 : 577 45.6 : 54.4
 Hyperadrenocorticism (cushings) 1.39 39 704 84 424 123 : 1128 59.4 : 40.6
 Lymphoma 1.9 81 733 222 672 303 : 1405 47.7 : 52.3
 Mast Cell Tumor 1.82 76 844 175 549 251 : 1393 56.0 : 44.0
 Osteosarcoma 0.89 33 343 84 341 117 : 684 46.9 : 53.1
Other
 Dilated Cardiomyopathy 0.44 23 116 94 162 117 : 278 35.2 : 64.8
 Gastric Dilatation (Bloat) 0.28 25 73 60 93 85 : 166 39.0 : 61.0
 Epilepsy 0.87 45 301 105 329 150 : 630 44.4 : 55.6
 Vehicular Injury 2.44 328 680 509 683 837 : 1363 45.8 : 54.2