Table 2.
Elixhauser comorbidity profile collected from the NIS database of patients undergoing TKA and rTKA from 2006 to the third quarter of 2015
| TKA | rTKA | |
|---|---|---|
| Discharges (n = 5,901,057) | Discharges (n = 465,968) | |
| Hypertension | 3,997,142 (67.74%) | 303,063 (65.04%) |
| Obesity | 1,282,015 (21.73%) | 139,138 (22.98%) |
| Uncomplicated Diabetes | 1,170,292 (19.83%) | 92,345 (19.82%) |
| Hypothyroidism | 918,912 (15.57%) | 69,510 (14.92%) |
| Chronic Pulmonary Disease | 872,937 (14.79%) | 77,083 (16.54%) |
| Depression | 746,350 (12.65%) | 67,245 (14.43%) |
| Deficiency Anemias | 740,986 (12.56%) | 73,030 (15.67%) |
| Renal Failure | 223,995 (3.97%) | 30,362 (6.52%) |
| Rheumatoid Arthritis/Collagen Vascular Disease | 227,961 (3.86%) | 29,431 (6.32%) |
| Other Neurological Disorders | 227,335 (3.85%) | 23,901 (5.13%) |
| Valvular Disease | 210,353 (3.57%) | 21,333 (4.58%) |
| Congestive Heart Failure | 146,451 (2.48%) | 23,732 (5.09%) |
| Psychoses | 121,032 (2.05%) | 13,002 (2.79%) |
| Peripheral Vascular Disorders | 117,924 (2.00%) | 12,417 (2.67%) |
| Coagulopathy | 109,935 (1.86%) | 13,889 (2.97%) |
| Complicated Diabetes | 102,091 (1.73%) | 11,439 (2.46%) |
| Chronic Blood Loss Anemias | 92,020 (1.56%) | 8,420 (1.81%) |
| Pulmonary Circulation Disorders | 56,952 (0.97%) | 6,222 (1.34%) |
| Liver Disease | 52,308 (0.89%) | 7,274 (1.56%) |
| Alcohol Abuse | 49,504 (0.84%) | 5,610 (1.20%) |
| Drug Abuse | 26,544 (0.45%) | 4,719 (1.01%) |
| Solid Tumor without Metastasis | 24,025 (0.41%) | 2,376 (0.51%) |
| Paralysis | 14,952 (0.25%) | 1,909 (0.41%) |
| Lymphoma | 13,509 (0.23%) | 1,956 (0.42%) |
| Weight Loss | 13,221 (0.22%) | 6,132 (1.32%) |
| Metastatic Cancer | 3,979 (0.07%) | 871 (0.19%) |
| Acquired Immune Deficiency Syndrome (AIDS) | 1,089 (0.02%) | 185 (0.04%) |
| Peptic Ulcer Disease Excluding Bleeding | 1,199 (0.02%) | 94 (0.02%) |