TABLE II.
Characteristics and Comorbidities of Patients with and without Periprosthetic Joint Infection After Undergoing Total Joint Arthroplasty
| Characteristic or Comorbidity | Group with Periprosthetic Joint Infection | Group without Periprosthetic Joint Infection |
| No. of patients | 1,530 | 65,455 |
| Sex* | ||
| Female | 725 (47%) | 37,534 (57%) |
| Male† | 805 (53%) | 27,921 (43%) |
| Age‡ (yr) | 62 (18 to 93) | 65 (18 to 95) |
| BMI†‡ (kg/m2) | 31 (14 to 64) | 29 (13 to 87) |
| History of smoking*† | 416 (27%) | 13,412 (20%) |
| History of diabetes*† | 539 (35%) | 15,773 (24%) |
| End-stage renal disease*† | 26 (1.7%) | 359 (0.5%) |
| Race* | ||
| White | 1,483 (97%) | 63,889 (98%) |
| Non-white | 47 (3%) | 1,566 (2%) |
| Ethnicity* | ||
| Hispanic | 140 (9%) | 3,827 (6%) |
| Non-Hispanic | 1,390 (91%) | 61,628 (94%) |
| Survival‡ (mo) | 29 (0 to 207) | 88 (0 to 237) |
*
The values are given as the number of patients, with the percentage in parentheses.
†
The HRs, with the 95% CIs in parentheses, were significant for male sex at 1.43 (1.30 to 1.59), BMI ≥ 30 kg/m2 at 1.38 (1.25 to 1.54), history of smoking at 1.34 (1.20 to 1.50), history of diabetes at 1.53 (1.37 to 1.71), and end-stage renal disease at 2.36 (1.60 to 3.48).
‡
The values are given as the mean and the range.