Table 4.
Comparison of the likelihood of subsequently undergoing surgery for an Achilles tendon injury
| Population and Time Period of Interest | Number of Repairs, n (%) | Regression Analysis | ||
|---|---|---|---|---|
| Testosterone Use | Control | aORa (95% CI) | p - value | |
| All Patients | 287 (9.0) | 134 (6.4) | 1.54 (1.19 - 1.99) | 0.001 |
| Male | 231 (9.0) | 115 (7.1) | 1.24 (0.95 - 1.64) | 0.118 |
| 35 to 45 | 67 (10.3) | 47 (10.7) | 1.00 (0.62 - 1.62) | 0.989 |
| 46 to 55 | 71 (8.4) | 36 (6.3) | 1.23 (0.74 - 2.02) | 0.421 |
| 56 to 65 | 68 (9.6) | 21 (4.8) | 2.07 (1.17 - 3.75) | 0.014 |
| 66 to 75 | 25 (7.0) | 11 (5.9) | 1.08 (0.45 - 2.62) | 0.863 |
| Female | 56 (8.8) | 19 (4.2) | 2.57 (1.50 - 4.55) | < 0.001 |
| 35 to 45 | < 11 (N/A) | < 11 (N/A) | 1.89 (0.24 - 17.85) | 0.545 |
| 46 to 55 | 21 (8.7) | < 11 (N/A) | 2.25 (0.95 - 5.77) | 0.074 |
| 56 to 65 | 24 (9.8) | < 11 (N/A) | 3.13 (1.33 - 8.25) | 0.013 |
| 66 to 75 | < 11 (N/A) | < 11 (N/A) | 2.11 (0.35 - 17.55) | 0.432 |
Bold indicated statistical significance (p < 0.05)
aOR Adjusted odds ratio, CI Confidence interval
aadjusted used multivariable logistic regression to additionally control for hypogonadism, chronic kidney disease, osteoporosis, overweight/obesity (body mass index > 25), class III obesity (body mass index > 40), alcohol use, osteoarthritis, lung disease, congestive heart failure, and dementia