From: Association between promoter -1607 polymorphism of MMP1 and Lumbar Disc Disease in Southern Chinese
 |  | GG (%) | DD/DG (%) | p value |
---|---|---|---|---|
Disc bulge | Control | 122 (42.7) | 164 (57.3) | 0.316 |
 | Case | 113 (38.6) | 180 (61.4) |  |
Annular tear | Control | 215 (41.0) | 309 (59.0) | 0.430 |
 | Case | 55 (37.4) | 92 (62.6) |  |
Schmorl's node | Control | 239 (40.0) | 358 (60.0) | 0.758 |
 | Case | 31 (41.9) | 43 (58.1) |  |