Table 3.
Distributions of ED utilization stratified by diagnostic category and survival status (n = 32,772)
| Summed disease categories of all ED utilizations | Mortality group ( n = 23,883) | Survival group ( n = 8889) | p value | |
|---|---|---|---|---|
| ICD_9 codes diagnostic category | (%) | (%) | ||
| 001-139 | Infectious and parasitic diseases | 4.35 | 3.35 | <0.001 |
| 140-239 | Neoplasms | 100 | 100 | 1.000 |
| 240-279 | Endocrine, nutritional and metabolic diseases and immunity disorders | 8.20 | 6.45 | <0.001 |
| 280-289 | Diseases of the blood and blood-forming organs | 4.44 | 3.07 | <0.001 |
| 290-319 | Mental disorders | 0.76 | 1.63 | <0.001 |
| 320-389 | Diseases of the nervous system and sense organs | 1.48 | 2.38 | <0.001 |
| 390-459 | Diseases of the circulatory system | 6.55 | 7.86 | <0.001 |
| 460-519 | Diseases of the respiratory system | 12.31 | 8.40 | < 0.001 |
| 520-579 | Diseases of the digestive system | 19.01 | 18.54 | 0.147 |
| 580-629 | Diseases of the genitourinary system | 7.44 | 11.17 | < 0.001 |
| 680-709 | Diseases of the skin and subcutaneous tissue | 1.32 | 2.66 | < 0.001 |
| 710-739 | Diseases of the musculoskeletal system and connective tissue | 2.21 | 2.64 | < 0.001 |
| 740-759 | Congenital abnormalities | 0.08 | 0.13 | 0.018 |
| 760-779 | Certain conditions originating in the perinatal period | 0.02 | 0.02 | 0.606 |
| 780-799 | Symptoms, signs, and ill-defined conditions | 34.52 | 39.25 | < 0.001 |
| 800-999 | Injury and poisoning | 2.34 | 4.17 | < 0.001 |