Table 5 Comparison of diagnostic categories of ED visits between the two compared subgroups
Catastrophic illness | Non-catastrophic illness | ||||
|---|---|---|---|---|---|
ICD-9 codes | Diagnostic category | No. | (%) | No. | (%) |
001-139 | Infectious and parasitic diseases | 96 | 1.29 | 406 | 1.25 |
140-239 | Neoplasms | 799 | 10.77 | 69 | 0.21 |
240-279 | Endocrine, nutritional and metabolic diseases and immunity disorders | 282 | 3.80 | 1,334 | 4.11 |
280-289 | Diseases of the blood and blood-forming organs | 41 | 0.55 | 161 | 0.50 |
290-319 | Mental disorders | 161 | 2.17 | 323 | 1.00 |
320-389 | Diseases of the nervous system and sense organs | 165 | 2.22 | 1,124 | 3.47 |
390-459 | Diseases of the circulatory system | 667 | 8.99 | 3,941 | 12.15 |
460-519 | Diseases of the respiratory system | 630 | 8.49 | 2,527 | 7.79 |
520-579 | Diseases of the digestive system | 645 | 8.70 | 3,079 | 9.49 |
580-629 | Diseases of the genitourinary system | 835 | 11.26 | 1,472 | 4.54 |
680-709 | Diseases of the skin and subcutaneous tissue | 125 | 1.69 | 733 | 2.26 |
710-739 | Diseases of the musculoskeletal system and connective tissue | 220 | 2.97 | 1,177 | 3.63 |
780-799 | Symptoms, signs, and ill-defined conditions | 1696 | 22.87 | 9,787 | 30.18 |
800-999 | Injury and poisoning | 1055 | 14.22 | 6,301 | 19.43 |