Table 1.
Free intraarticular fragments detection on CT and MRI
| CT | MRI | p All | p 1st dislocation | ||
|---|---|---|---|---|---|
| (N = 34) | (N = 26) | ||||
| Fragment origin: patella | No fragments | 13 | 9 | ||
| One fragments | 9 | 21 | |||
| Two or more | 12 | 4 | |||
| Total | 21 | 25 | 0.324 | 0.252 | |
| Size (largest fragment) | 3.07 mm (41.4±) | 2.88 mm (5.5±) | 0.84 | 0.65 | |
| Fragment origin: femur | No fragments | 17 | 22 | ||
| One fragments | 8 | 9 | |||
| Two or more | 9 | 3 | |||
| Total | 17 | 12 | 0.023* | 0.412 | |
| Size (largest fragment) | 5.98 mm (92.8±) | 5.46 mm (32.9±) | 0.55 | 0.6 | |
| Any fragment (patella or femur) | Total | 30 | 27 | 0.26 | 0.42 |
CT computed tomography, MRI magnetic resonance imaging