Table III.
Management of periprosthetic fractures.
| Variable | Total | UCS | p-value | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
| AG | AL | B1 | B2 | B3 | C | D | E | |||
| Patients, n (%) | 1,104 | 94 (8.5) | 19 (1.7) | 337 (30.5) | 368 (33.3) | 105 (9.5) | 136 (12.3) | 44 (4) | 1 (0.1) | |
| Treatment method, n (%) | < 0.001* | |||||||||
| Conservative | 131 (11.9) | 69 (73.4) | 13 (68.4) | 29 (8.6) | 11 (3) | 6 (5.7) | 2 (1.5) | 1 (2.3) | 0 | |
| ORIF | 585 (53) | 17 (18.1) | 5 (26.3) | 268 (79.5) | 109 (29.6) | 28 (26.7) | 123 (90.4) | 35 (79.6) | 0 | |
| Revision arthroplasty | 189 (17.1) | 3 (3.2) | 1 (5.3) | 18 (5.3) | 113 (30.7) | 42 (40) | 6 (4.4) | 6 (13.6) | 0 | |
| ORIF + revision arthroplasty | 199 (18) | 5 (5.3) | 0 | 22 (6.5) | 135 (36.7) | 29 (27.6) | 5 (3.7) | 2 (4.6) | 1 (100) | |
| Revision with endoprosthesis | 29 (2.6) | 1 (1.1) | 0 | 3 (0.9) | 8 (2.2) | 12 (11.4) | 1 (0.7) | 4 (9.1) | 0 | |
| Time from presentation to surgery, days | ||||||||||
| Mean (SD) | 4.5 (6.6) | 7.7 (17.5) | 4.7 (4.9) | 4 (3.9) | 5.2 (7.6) | 4.5 (4) | 3 (3.5) | 4.7 (11.5) | 3 | 0.001† |
| Median (IQR) | 3 (2 to 5) | 4 (2 to 6) | 2.5 (1 to 8) | 3 (2 to 5) | 4 (2 to 6) | 3 (2 to 6) | 2 (1 to 3) | 2 (1 to 4) | 3 | |
| Speciality of operating surgeon, n (%) | < 0.001* | |||||||||
| Arthroplasty surgeon | 819 (84.2) | 23 (92) | 6 (100) | 252 (81.8) | 330 (92.4) | 87 (87.9) | 88 (65.7) | 33 (76.7) | 0 | |
| Trauma/general/other | 146 (15) | 2 (8) | 0 | 52 (16.9) | 26 (7.3) | 12 (12.1) | 45 (33.6) | 8 (18.6) | 1 (100) | |
| Unknown | 8 (0.8) | 0 | 0 | 4 (1.3) | 1 (0.3) | 0 | 1 (0.7) | 2 (4.7) | 0 | |
*
Chi-squared test.
†
Kruskal-Wallis test.
IQR, interquartile range; ORIF, open reduction and internal fixation; SD, standard deviation.