Table 2 Surgical details and results.
Variable | AO/OTA 34-A (n = 20) | AO/OTA 34-C2, C3 (n = 17) | Total (n = 37) |
|---|---|---|---|
Size of rim plate (number of holes) | |||
4 | 2 (10) | 1 (5.9) | 3 (8.1) |
5 | 5 (25) | 6 (35.3) | 11 (29.7) |
6 | 12 (60) | 6 (35.3) | 18 (48.6) |
7 | 1 (5) | 4 (23.5) | 5 (13.5) |
Supplementary fixation | |||
Plate | 5 (29%) | ||
Screw | 4 (24%) | ||
Combination | 8 (47%) | ||
Operation time (min) | |||
Mean ± SD (range) | 86.9 ± 25.3 (34–140) | 101.4 ± 30.9 (68–195) | 93.5 ± 28.6 (34–195) |
Follow-up duration (month) | |||
Mean ± SD (range) | 34.1 ± 10.5 (13–49) | 31.3 ± 14.0 (15–62) | 32.8 ± 12.4 (13–62) |
Bony union | 20 (100) | 17 (100) | 37 (100) |
Union time (month) | |||
Mean ± SD (range) | 2.7 ± 0.9 (2–6) | 3.7 ± 1.7 (2–6) | 3.1 ± 1.4 (2–6) |
Complications | |||
Implant irritation | 4 (20) | 2 (12) | 6 (16) |
Metal failure | None | None | None |
Patellar tendinitis | 2 (10) | 1 (6) | 3 (8) |
Implant removal surgery | 2 (10) | 2 (12) | 4 (11) |
Infection | None | None | None |
