From: Matrix Metalloproteinase-9 (MMP-9) polymorphisms in patients with cutaneous malignant melanoma
 | Genotype | p-value | |
---|---|---|---|
Q279R | QQ (reference) | QR + RR | Â |
   Intransit Metastasis |  |  |  |
Yes | 17 (63%) | 10 (37%) | Â |
No | 384 (41%) | 557 (59%) | p = 0.03; p = 0.02Â¥ |
   Tan/Burn Tendency |  |  |  |
Tend to Tan | 26 (29%) | 65 (71%) | Â |
Tend to Sunburn | 394 (43%) | 516 (57%) | p < 0.01; p < 0.01Â¥ |
P574R | PP (reference) | PR + RR | Â |
   Site |  |  |  |
Extremities | 263 (88%) | 36 (12%) | Â |
Trunk | 164 (96%) | 7 (4%) | Â |
Head & Neck | 36 (97%) | 1 (3%) | Â |
Non-cutaneous | 6 (100%) | 0 (0%) | p = 0.01; p = 0.02Â¥ |
R668Q | RR (reference) | RQ + QQ | Â |
   Tan/Burn Tendency |  |  |  |
Tend to Tan | 55 (60%) | 36 (40%) | Â |
Tend to Sunburn | 661 (73%) | 245 (27%) | p = 0.01; p = 0.02Â¥ |