Skip to main content

Table 2 Mean total scores and prevalence of individual conditions by each co-morbidity measure and total computation

From: Comparing co-morbidities in total joint arthroplasty patients using the RxRisk-V, Elixhauser, and Charlson Measures: a cross-sectional evaluation

  Total hip arthroplasty (N = 11,848) Total knee arthroplasty (N = 18,972)
  RxRisk-V Elixhauser Charlson Total RxRisk-V Elixhauser Charlson Total
Mean score (SD) 5.5 (3.3) 0.9 (1.3) 0.4 (0.8) 6.2 (3.6) 5.4 (3.5) 0.9 (1.2) 0.4 (0.7) 6.1 (3.7)
  N (%) N (%) N (%) N (%) N (%) N (%) N (%) N (%)
Cancer         
 Lymphoma - 42 (0.4) - 42 (0.4) - 33 (0.2) - 33 (0.2)
 Malignancies 423 (3.6)   257 (2.2) 648 (5.5) 757 (4.0)   285 (1.5) 1,004 (5.3)
 Metastatic cancer - 60 (0.5) 60 (0.5) 60 (0.5) - 43 (0.2) 43 (0.2) 43 (0.2)
 Solid tumor without metastatis - 303 (2.6) - 306 (2.6) - 398 (2.1) - 398 (2.1)
Cardiovascular/blood         
 Anticoagulation agents/coagulopathy 6,230 (52.6) 130 (1.1) - 6,274 (53.0) 9,177 (48.4) 168 (0.9) - 9,227 (48.6)
 Antiplatelets agents 3,975 (33.5) - - 3,975 (33.5) 6,055 (31.9) - - 6,055 (31.9)
 Arrhythmias 1,206 (10.2) 1,744 (14.7) - 2,313 (19.5) 1,766 (9.3) 2,561 (13.5) - 3,427 (18.1)
 Cerebrovascular disease - - 273 (2.3) 273 (0.3) - - 353 (1.9) 353 (1.8)
 Congestive heart failure 1,454 (12.3) 471 (4.0) 471 (4.0) 1,636 (13.8) 2,142 (11.3) 608 (3.2) 608 (3.2) 2,452 (12.9)
 Hyperlipidaemia 4,377 (36.9) - - 4,377 (36.9) 7,115 (37.5) - - 7,115 (37.5)
 Hypertensiona 5,644 (47.6) 2,612 (22.0) - 6,638 (56.0) 8,866 (46.7) 4,433 (23.4) - 10,629 (56.0)
 Ischemic heart disease/angina 1,375 (11.6) - - 1,375 (11.6) 2,054 (10.8) - - 2,054 (10.8)
 Ischemic heart disease/hypertension 4,054 (34.2) - - 4,054 (34.2) 6,329 (33.4) - - 6,329 (33.4)
 Myocardial infarction - - 333 (2.8) 333 (2.8) - - 410 (2.2) 410 (2.2)
 Peripheral vascular disease - 299 (2.5) 299 (2.5) 299 (2.5) - 346 (1.8) 346 (1.8) 346 (1.8)
 Pulmonary circulation disorders - 136 (1.1) - 136 (1.2) - 288 (1.5) - 288 (1.5)
 Valvular disease - 308 (2.6) - 308 (2.6) - 414 (2.2) - 414 (2.2)
Endocrine         
 Diabetes (uncomplicated) 905 (7.6) 755 (6.4) 838 (7.1) 1,271 (10.7) 1,782 (9.4) 1,405 (7.4) 1,530 (8.1) 2,423 (12.8)
 Diabetes (complicated) - 794 (6.7) 747 (6.3) 794 (6.7) - 1,452 (7.7) 1387 (7.3) 1,452 (7.7)
 Hypothyroidism 788 (6.7) 67 (0.6) - 801 (6.8) 1339 (7.1) 95 (0.5) - 1,369 (7.2)
 Pancreatic insufficiency 20 (0.2) - - 20 (0.2) 31 (0.2) - - 31 (0.2)
Gastrointestinal         
 Gastric acid disorder 5,307 (44.8) - - 5,307 (44.8) 8,436 (44.5) - - 8,436 (44.5)
 Inflammatory bowel syndrome 118 (1.0) - - 118 (1.0) 180 (1.0) - - 180 (1.0)
 Hepatitis C 0 (0.0) - - 0 (0.0) 0 (0.0) - - 0 (0.0)
 Liver disease (mild) - 25 (0.2) 26 (0.2) 33 (0.3) - 42 (0.2) 47 (0.2) 55 (0.3)
 Liver disease (severe) or failure 479 (4.0) - 11 (0.1) 487 (4.1) 542 (2.9) - 9 (<0.01) 551 (2.9)
 Peptic ulcer disease - 83 (0.7) 119 (1.0) 119 (1.0) - 102 (0.5) 155 (0.8) 155 (0.8)
Muscuoskeletal/pain related         
 Gout 1,187 (10.0) - - 1,187 (10.0) 2,210 (11.6) - - 2,210 (11.7)
 Migraine 37 (0.3) - - 37 (0.3) 104 (0.5) - - 104 (0.6)
 Osteoporosis/Pagets 1,463 (12.3) - - 1,463 (12.3) 2,017 (10.6) - - 2,017 (10.6)
 Pain 6,512 (55.0) - - 6,512 (55.0) 9,663 (50.9) - - 9,663 (50.9)
 Pain/Inflammation 6,958 (58.7) - - 6,958 (58.7) 10,611 (55.9) - - 10,611 (55.9)
 RA/collage vascular disorders - 197 (1.7) 176 (1.5) 197 (1.7) - 348 (1.8) 320 (1.7) 349 (1.8)
Neurologic         
 Dementia 92 (0.8) - 209 (1.8) 249 (2.1) 94 (0.5) - 195 (1.0) 237 (1.3)
 Epilepsy 535 (4.5) - - 535 (4.5) 838 (4.4) - - 838 (4.4)
 Paralysis (or Paraplegia/Hemiplegia) - 86 (0.7) 86 (0.7) 86 (0.7) - 112 (0.6) 112 (0.6) 112 (0.6)
 Parkinson’s disease 198 (1.7) - - 198 (1.7) 367 (1.9) - - 367 (1.9)
 Other neurological disorders - 155 (1.3) - 155 (1.3) - 205 (1.1) - 205 (1.1)
Nutritional/obesity         
 Blood loss anaemia - 84 (0.7) - 84 (0.7) - 67 (0.4) - 67 (0.4)
 Deficiency anaemia - 203 (1.7) - 203 (1.7) - 223 (1.2) - 223 (1.2)
 Fluid and electrolyte disorders - 890 (7.5) - 890 (7.5) - 1,095 (5.8) - 1,095 (5.8)
 Hyperkalaemia 8 (0.1) - - 8 (0.1) 18 (0.1) - - 18 (0.1)
 Malnutrition 22 (0.2) - - 22 (0.2) 37 (0.2) - - 37 (0.2)
 Obesity - 194 (1.6) - 194 (1.6) - 500 (2.6) - 500 (2.6)
 Weight loss - 123 (1.0) - 123 (1.0) - 99 (0.5) - 99 (0.5)
Psychological/behavioural         
 Alcohol abuse/dependence 11 (0.1) 113 (1.0) - 120 (1.0) 27 (0.1) 177 (0.9) - 193 (1.0)
 Anxiety and tension 1,459 (12.3) - - 1,459 (12.3) 2,344 (12.3) - - 2,340 (12.3)
 Bipolar disorder 30 (0.3) - - 30 (0.3) 49 (0.3) - - 49 (0.3)
 Depression 2,598 (21.9) 213 (1.8) - 2,667 (22.5) 4,484 (23.6) 293 (1.5) - 4,567 (24.1)
 Drug abuse   14 (0.1) - 14 (0.1)   20 (0.1) - 20 (0.1)
 Psychotic illness/psychoses 250 (2.1) 16 (0.1) - 259 (2.2) 391 (2.1) 22 (0.1) - 404 (2.1)
 Smoking cessation 102 (0.9) - - 102 (0.9) 159 (0.8) - - 159 (0.8)
Renal/urologic         
 Benign prostatic hypertrophy 445 (3.8) - - 445 (3.8) 731 (3.9) - - 731 (3.9)
 Renal disease/failure 162 (1.4) 436 (3.7) 388 (3.3) 560 (4.7) 290 (1.5) 575 (3.0) 524 (2.8) 826 (4.4)
Respiratory         
 Chronic pulmonary disease - 652 (5.5) 651 (5.5) 652 (5.5) - 858 (4.5) 856 (4.5) 858 (4.5)
 Reactive airway disease 2,461 (20.8) - - 2,461 (20.8) 3,815 (20.1) - - 3,815 (20.1)
 Tuberculosis 0 (0.0) - - 0 (0.0) 1 (<0.01) - - 1 (<0.01)
Miscellaneous         
 Allergies 1,660 (14.0) - - 1,660 (14.0) ,3046 (16.1) - - 3,046 (16.1)
 Glaucoma 1,091 (9.2) - - 1,091 (9.2) 1,642 (8.7) - - 1,642 (8.7)
 HIV/AIDS 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0)
 Psoriasis 63 (0.5) - - 63 (0.5) 103 (0.5) - - 103 (0.5)
 Steroid-responsive conditions 1,889 (15.9) - - 1,889 (15.9) 3,345 (17.6) - - 3,345 (17.6)
 Transplant 3 (<0.01) - - 3 (<0.01) 3 (<0.01) - - 3 (<0.01)
  1. SD standard deviation, CI confidence interval, RA rheumatoid arthritis, HIV/AIDS human immunodeficiency virus/Acquired immune deficiency virus
  2. aComplicated and uncomplicated combined