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. 2016 Dec 23;21:16-088. doi: 10.7812/TPP/16-088

Table 1.

Counts in respective cells constructing odds ratio formulaa

Main ICD-9 diagnostic class A B C D
Females Males Females Males Females Males Females Males
Infectious and parasitic diseases 319,191 296,266 374 1123 94,994 52,240 209 334
Neoplasms 250,405 253,349 373 1208 163,780 95,157 210 249
Endocrine, nutritional, and metabolic diseases, and immunity disorders 247,105 235,070 292 1116 167,080 113,436 291 341
Diseases of the blood and blood-forming organs 341,750 317,074 453 1309 72,435 31,432 130 148
Mental disorders 306,559 291,110 366 1104 107,626 57,396 217 353
Diseases of the nervous system and sense organs 119,376 121,085 74 169 294,809 227,421 509 1288
Diseases of the circulatory system 238,083 225,425 344 1183 176,102 123,081 239 274
Diseases of the respiratory system 57,965 66,822 35 89 356,220 281,684 548 1368
Diseases of the digestive system 199,818 185,619 183 630 214,367 162,887 400 827
Diseases of the genitourinary system 89,960 228,306 128 894 324,225 120,200 455 563
Complications of pregnancy, childbirth, and the puerperiumb 303,519 343,418 486 1425 110,666 5088 97 32
Diseases of the skin and subcutaneous tissue 108,172 118,487 74 310 305,888 230,019 509 1147
Diseases of the musculoskeletal system and connective tissue 109,204 113,812 158 649 304,981 234,694 425 808
Congenital anomalies 389,222 330,859 493 1224 24,963 17,647 90 233
Certain conditions originating in the perinatal period 385,130 336,072 522 1208 29,055 12,434 61 249
Symptoms, signs, and ill-defined conditions 34,564 47,690 19 79 379,621 300,816 564 1378
Injury and poisoning 89,306 69,540 68 258 324,879 278,966 515 1199
a

Odds ratio formula: Odds ratio = (AD/BC), where A = patients with neither autism spectrum disorder (ASD) nor that ICD-9 disorder; B = those with ASD but not the ICD-9 disorder; C = those without ASD but with the ICD-9 disorder; and D = those with both disorders.

b

Complications of pregnancy and childbirth (ICD-9 Codes 630–679) refer in males to newborns or fetuses (n = 32), whereas in females it refers to both newborns or fetuses and adolescent females of childbearing age (n = 97).

ICD-9 = International Classification of Diseases, Ninth Revision.