FFP-type | Description | n |
---|---|---|
1: Anterior pelvic ring injury only | a: isolated unilateral anterior disruption | – |
b: isolated bilateral anterior disruption | – | |
2: Non-displaced posterior injury | a: isolated, non-displaced sacral fracture without involvement of the anterior pelvic ring | 28 |
b: non-displaced sacral crush with anterior disruption | 3 | |
c: non-displaced sacral, iliosacral or ilium fracture with anterior disruption | 2 | |
3: Displaced unilateral posterior injury | a: displaced unilateral iliac fracture | 3 |
b: displaced unilateral iliosacral disruption | 10 | |
c: displaced unilateral sacral fracture | 2 | |
4: Displaced bilateral posterior injury | a: bilateral iliac fracture or bilateral iliosacral disruption | 17 |
b: bilateral sacral fracture, spinopelvic dissociation | 3 | |
c: combination of different dorsal instabilities | 15 |