Table 5.
Primary TKA demographics by substance abuse or dependency
| Demographic variable |
Rev | Cocaine | Cannabis | Opioid | SHA | Amphetamines | Alcohol |
|---|---|---|---|---|---|---|---|
| Age | |||||||
| Unknown | 33,809 | 245 | 175 | 803 | 198 | 56 | 1,952 |
| < 65 | 240,896 | 5,502 | 6,983 | 18,604 | 5,081 | 1,799 | 19,988 |
| 65–69 | 691,166 | 572 | 1,327 | 8,090 | 2,118 | 338 | 21,562 |
| 70–74 | 627,124 | 242 | 652 | 6,838 | 1,802 | 208 | 22,389 |
| 75–79 | 513,325 | 74 | 231 | 4,433 | 1,162 | 115 | 17,042 |
| 80–84 | 303,594 | 18 | 99 | 2,357 | 593 | 50 | 9,402 |
| > 85 | 117,677 | (1) | 43 | 981 | 219 | 23 | 3,596 |
| Gender | |||||||
| Female | 1,513,683 | 3,114 | 4,349 | 22,282 | 6,387 | 1,390 | 25,616 |
| Male | 846,550 | 2,864 | 4,070 | 9,703 | 2,303 | 839 | 41,263 |
| Unknown | 33,809 | 245 | 175 | 803 | 198 | 56 | 1,953 |
| Comorbidity burden | |||||||
| CCI (SD) | 4.75 (1.9) | 4.57 (2.61) | 4.33 (2.37) | 4.78 (2.46) | 4.68 (2.34) | 4.37 (2.39) | 4.90 (2.27) |
Abbreviations: CCI, Charlson comorbidity index; SD, standard deviation; SHA, sedatives/hypnotics/anxiolytics; TKA, total knee arthroplasty.