Table II.
Demographic risk factors | Presence of infection |
P value | Post-hoc power | |
---|---|---|---|---|
Yes (N = 22) | No (N = 699) | |||
Mean age (yr) | 66 | 70 | .047 | NA |
Range (54-84) | Range (39-92) | |||
Mean follow-up (mo) | 26 | 17 | .002 | NA |
Range (1-64) | Range (3-76) | |||
Gender | .709 | 6.8% | ||
F | 10 (3%) | 346 (97%) | ||
M | 12 (3%) | 353 (97%) | ||
Diabetes mellitus | .947 | 5.3% | ||
Yes | 4 (3%) | 131 (97%) | ||
No | 18 (3%) | 568 (97%) | ||
Rheumatoid arthritis | .010 | 28.6% | ||
Yes | 5 (9%) | 53 (91%) | ||
No | 17 (3%) | 646 (97%) | ||
Smoking | .899 | 6.8% | ||
Yes | 1 (3%) | 36 (97%) | ||
No | 21 (3%) | 663 (97%) | ||
Cancer/immunosuppression | .212 | 33.3% | ||
Yes | 3 (2%) | 177 (98%) | ||
No | 19 (4%) | 522 (96%) | ||
Corticosteroid injections | .494 | 6.5% | ||
Yes | 17 (3%) | 493 (97%) | ||
No | 5 (2%) | 206 (98%) | ||
Previous surgery | .003 | 67.3% | ||
Yes | 12 (6%) | 184 (94%) | ||
No | 10 (2%) | 515 (98%) |