TABLE IV.
Relative Risk for Early Rotator Cuff Disease in Relatives of 652 Individuals Diagnosed with Rotator Cuff Disease Before the Age of Forty Years
| Relationship | No. of Relatives (Patients/Controls) | No. of Affected (Patients/Controls) | P Value | Relative Risk | 95% Confidence Interval |
|---|---|---|---|---|---|
| First degree | 3714/19,299 | 6/18 | 0.2614 | 1.73 | (0.69, 4.37) |
| Second degree | 8268/41,624 | 8/11 | 0.0076 | 3.66 | (1.47, 9.11) |
| Third degree | 21,642/104,306 | 18/48 | 0.0479 | 1.81 | (1.05, 3.11) |