Table 1.
The frequency of Static and Dynamic classification and related angles
|
Graf classification
Number (%) |
Dynamic classification
Number (%) |
α
(Lateral) |
β
(Lateral) |
α (supine) |
β
(supine) |
(P-Value) |
(P-Value) |
|||
|---|---|---|---|---|---|---|---|---|---|---|
| Type I | 20 (10.1) | Stable | 95 (47.7) | 55.7±4.1 | 63.7±6.3 | 57.3±4.8 | 60.3±7.3 | 0.310 | 0.147 | |
| Type IIa+ | 54 (27.1) | |||||||||
| Type IIa- | 21 (10.6) | Stable , Laxity | 18 (9.0) | 46.8±1.5 | 69.1±6 | 49.3±3.5 | 63.3±10.5 | 0.292 | 0.151 | |
| Type IIb | 27 (13.6) | |||||||||
| Type IIc stable | 39 (19.6) | Laxity/ Stable | 39 (19.6) | 54.8±3.6 | 64.9±6.6 | 54.1±3.3 | 66.3±7.8 | 0.480 | 0.221 | |
| Type IIc unstable | 14 (7.0) | Subluxable | 22 (11.1) | 49±3.7 | 72.1±10 | 49.7±4.7 | 79.1±17.5 | 0.471 | 0.091 | |
| Type D | 5 (2.5) |
Subluxated/
Dislocatable |
7 (3.5) | 47.7±3.4 | 75.7±7.9 | 46.3±2.3 | 69.7±11 | 0.356 | 0.106 | |
| Type III | 8 (4.0) | Reversible dislocated | 9 (4.5) | 39.2±2 | 72±1 | 40.2±3.8 | 69±4.6 | 0.367 | 0.149 | |
| Type IV | 11 (5.5) | Irreversible dislocated | 9 (4.5) | 41.3±11 | 73.1±4.5 | 36.7±9.2 | 70.1±4.3 | 0.192 | 0.154 | |
| Total | 51.6±6.4 | 66.5±7.7 | 53.4±6.9 | 63.7±10.9 | 0.312 | 0.146 | ||||