Table 1.
Patients' demographics.
| Augmentative LCP (n = 11) | Augmentative LISS (n = 13) | P | |
|---|---|---|---|
| Age (yrs), mean ± SDb | 43.5 ± 8.6 | 46.7 ± 9.2 | 0.102 |
| Gender (%, male)c | 63.6 (7/11) | 53.8 (7/13) | 0.093 |
| Smoking, n (%)c | |||
| Yes | 3 (27.3%) | 4 (30.8%) | 0.121 |
| No | 8 (72.7%) | 9 (69.2%) | |
| Side, n (%)c | |||
| Left | 6 (54.5%) | 8 (61.5%) | 0.109 |
| Right | 5 (45.5%) | 5 (38.5%) | |
| Exposure of the first RIN surgery, n (%)c | |||
| Open | 8 (72.7%) | 8 (61.5%) | 0.112 |
| Closed | 3 (27.3%) | 5 (38.5%) | |
| Reaming of the first RIN surgery, n (%)c | |||
| Reamed | 4 (36.4%) | 5 (38.5%) | 0.105 |
| Non-reamed | 7 (63.6%) | 8 (61.5%) | |
| Numbers of distal locking screw in the first RIN surgery, median (range)b | 1.5 (1–3) | 1.5 (1–3) | 0.132 |
| Cortical bone defect, median (cm, range)b | 1 (0–3.5) | 1.5 (0–4.5) | 0.081 |
| Interlocking mode of nail, n (%)c | |||
| Static | 7 (63.6%) | 9 (69.2%) | 0.097 |
| Dynamic | 4 (36.4%) | 4 (30.8%) | |
| Previous number of operations, median (range)b | 1 (0–2) | 1.5 (0–3) | 0.090 |
| Nonunion type, n (%)a,c | |||
| Hypertrophic | 2 (18.2%) | 3 (23.1%) | 0.104 |
| Atrophic | 9 (81.8%) | 10 (76.9%) | |
| Interval from injury, median (yrs, range)b | 1.5 (0–2.5) | 2 (0–3.5) | 0.088 |
LCP/LISS, locking compression plate/liss invasive stabilization systerm.
RIN, retrograde intramedullary nailing.
a
Weber–Cech classification.
b
Mann–Whitney U test.
c
Fisher's exact chi-square test.