Table 5.
Clinical results according to Constant and Murley score and subjective shoulder value*
| Clinical outcome parameter | With stem exchange (n = 32 shoulders) | Without stem exchange (n = 13 shoulders) | p value† | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Preoperative | Followup | Improvement | p value | Preoperative | Followup | Improvement | p value | ||
| Absolute Constant and Murley score | 24 (4–68) | 45 (18–80) | 21 (−11 to 64) | 0.0001 | 30 (10–56) | 48 (29–69) | 20 (6–52) | 0.002 | 0.48 |
| Adjusted Constant and Murley score | 32 (6–97) | 61 (28–100) | 29 (−15 to 64) | 0.0001 | 42 (11–88) | 67 (34–100) | 27 (8–72) | 0.002 | 0.34 |
| Pain (maximum 15) | 6 (0–15) | 11 (3–15) | 5 (−2 to 12) | 0.0001 | 6 (3–5) | 11 (4–15) | 5 (−1 to 11) | 0.002 | 0.9 |
| Activity (maximum 20) | 3 (0–7) | 6 (1–10) | 3 (−3 to 10) | 0.0001 | 3 (0–6) | 7 (3–10) | 4 (0–10) | 0.003 | 0.45 |
| ROM | |||||||||
| Flexion (°) | 61 (0–140) | 108 (30–170) | 47 (−60 to 120) | 0.0001 | 74 (0–150) | 112 (80–165) | 40 (−10 to 110) | 0.005 | 0.37 |
| Abduction (°) | 54 (0–150) | 94 (40–165) | 41 (−60 to 123) | 0.0001 | 66 (0–160) | 98 (50–150) | 33 (−35 to 90) | 0.02 | 0.66 |
| External rotation (°) | 19 (−10–70) | 13 (−20–60) | −6 (−40 to 35) | 0.09 | 24 (0–70) | 22 (−10–50) | −1 (−35 to 40) | 0.85 | 0.7 |
| Subjective shoulder value (maximum 100) | 29 (0–75) | 55 (10–100) | 27 (−25 to 80) | 0.0001 | 27 (0–50) | 55 (20–90) | 29 (5–70) | 0.002 | 0.66 |
* The data are mean with the range in parentheses; †comparison between groups.