Table 2.
Fracture classification and instability criteria of intertrochanteric fractures according to geographic location
| Variable | Number of respondents by region | p value | ||
|---|---|---|---|---|
| East (n = 51) | West (n = 121) | South (n = 48) | ||
| Fracture classification | ||||
| AO/OTA | 45 (88%) | 78 (65%) | 35 (73%) | 0.006 |
| Evans classification | 0 (0%) | 5 (4%) | 2 (4%) | |
| Broken lesser trochanter | 3 (6%) | 33 (27%) | 10 (21%) | 0.006 |
| Otherwise characterized | 1 (2%) | 1 (1%) | 0 (0%) | |
| No classification | 1 (2%) | 2 (2%) | 0 (0%) | |
| Instability criteria | ||||
| Medial support | 43 (84%) | 102 (84%) | 41 (85%) | |
| Dislocated lesser trochanter | 3 (6%) | 3 (2%) | 1 (2%) | |
| Broken greater trochanter | 3 (6%) | 8 (7%) | 1 (2%) | |
| Broken lateral wall | 1 (2%) | 5 (4%) | 4 (8%) | |
| Always unstable | 1 (2%) | 3 (2%) | 1 (2%) | |