From: Expression of RECK and matrix metalloproteinase-2 in ameloblastoma
 | n | RECK | MMP-2 | ||||||
---|---|---|---|---|---|---|---|---|---|
 |  | - | + | ++ | P | - | + | ++ | P |
   KCOT | 16 | 2 | 5 | 9 | 0.000 | 13 | 0 | 3 | 0.000 |
   AB | 69 | 30 | 22 | 17 |  | 11 | 23 | 35 |  |
   AC | 6 | 6 | 0 |  |  | 0 | 1 | 5 |  |
Primary AB | 45 | 13 | 17 | 15 | 0.001 | 8 | 19 | 18 | 0.82 |
Recurrent AB | 24 | 17 | 5 | 2 | Â | 3 | 4 | 17 | Â |