Table 2.
Basic patient characteristics for all patients and the four diagnoses hypothesized by the authors to have the highest rate of injections
| Shoulder corticosteroid injection groups [group size, means, and (standard deviations)] | ||||
|---|---|---|---|---|
| 1 | 2 | 3 | p value column 2 vs. 3 | |
| All patients | Cortisone shot given | No cortisone shot given | ||
| All shoulder surgeries | ||||
| Number | 945 | 208 (22%) | 737 (78%) | – |
| Age | 48 (16) | 46 (14) | 48 (16) | ns |
| Sex | 583 M/362 F | 98 M/110 F | 485 M/252 F | <0.001 |
| BMI | 29.2 (6.0) | 28.7(6.1) | 29.3 (5.9) | ns |
| Rotator cuff repair | ||||
| Number | 305 | 58 (19%) | 247 (81%) | – |
| Age | 57 (13) | 53 (13) | 58 (12) | 0.009 |
| Sex | 189 M/116 F | 32 M/26 F | 157 M/90 F | ns |
| BMI | 30.5 (6.2) | 29.5 (7.3) | 30.7 (5.8) | ns |
| Subacromial impingement | ||||
| Number | 152 | 42 (28%) | 110 (72%) | – |
| Age | 47 (14) | 45 (14) | 47 (14) | ns |
| Sex | 86 M/66 F | 17 M/25 F | 69 M/41 F | 0.03 |
| BMI | 29.2 (5.7) | 28.3 (6.0) | 29.6 (5.6) | ns |
| Glenohumeral instability | ||||
| Number | 207 | 34 (16%) | 173 (84%) | – |
| Age | 35 (12) | 35 (12) | 35 (13) | ns |
| Sex | 133 M/74 F | 15 M/19 F | 118 M/55 F | 0.03 |
| BMI | 27.5 (5.7) | 27.1 (4.9) | 27.5 (5.9) | ns |
| Calcific tendinitis | ||||
| Number | 10 | 4 (40%) | 6 (60%) | – |
| Age | 46 (13) | 52 (19) | 42 (7) | ns |
| Sex | 3 M/7 F | 1 M/3 F | 2 M/4 F | ns |
| BMI | 32.1 (9.2) | 29.9 (6.0) | 33.9 (11.5) | ns |
Group 1 = all patients, group 2 = patients who received a corticosteroid injection, and group 3 = patients who did not receive a corticosteroid injection
M males, F females, ns non-significant (p > 0.05; note that p > 0.1 for all ns)