Table 4.
Comparison with previous studies using expandable prostheses
| Study | Number of patients | Age (years)* | Number of patients who underwent lengthening (%) | Deaths (%) | Amputations (%) | Amount extended (cm)* | Final limb shortening (cm)* | Revisions (%) | Followup (years)* |
|---|---|---|---|---|---|---|---|---|---|
| Current study | 56 | 10.5 (6.9–13.9) | 35 (63%) | 10 (18%) | 3 (5%) | 7.8 (4–14) | 2.6 (0–6.5) | 0 (0%) | 11.8 (0.8–17.8) |
| Unwin and Walker [24] (1996) | 168 | 10.5 (3–18) | 96 (57%) | 28 (16.7%) | 13 (7.8%) | 3.1 | Not described | 38/123 (31%) | 2.4 (0.2–9.2) |
| Cool et al. [7] (1997) | 24 | 10.1 (5.8–14) | 22 (92%) | 1 (5%) | Excluded | Not described | Not described | 5/23 (22%) | 4.7 (2.5–7.9) |
| Schindler et al. [21] (1997) | 18 | 11 (8–14) | 12 (67%) | 4 (22%) | 2 (11%) | 5.2 (3.0–7.0) | < 3.5 | 10/12 (83%) | 8.7 (6.0–13.2) |
| Grimer et al. [13] (2000) | 20 | 9.9 (5–14) | 11 (55%) | 5 (25%) | 4 (20%) | Not described | 1.0 | 9/11 (82%) | > 5 |
| Eckardt et al. [9] (2000) | 32 | 9.7 (3–15) | 16 (50%) | 10 (31%) | 3 (9%) | 2 (1–9) | < 3 | 13/16 (81%) | 8.8 (4.5–13) |
| Neel et al. [18] (2003) | 18 | 11 (7–15) | 13 (87%) | 1 (7%) | 1 (7%) | 3.2 (0.2–5.6) | Not described | 8/16 (50%) | 1.8 (1–2.8) |
| Arkader et al. [2] (2007) | 12 | 11.6 (5.9–15.5) | 8 (67%) | 0 (0%) | 1 (8%) | 4.9 | Not described | 8/12 (67%) | 6.3 (1–12.7) |
* Values are expressed as means, with ranges in parentheses.