Table 3. Frequency of Copy Number Alterations of GISTIC Identified Chromosomal Regions in Recurrence and Non-recurrence SCC Training Set Samples.
| Cytoband | Loss in SCC Recurrence, n (%) | Loss in SCC Non-Recurrence, n (%) | p-value* |
| Regions with Copy Number Losses | |||
| 18q22.3 | 15 (54) | 8 (24) | 0.038 |
| 4q28.2 | 14 (50) | 23 (68) | 0.198 |
| 1p21.1 | 11 (39) | 19 (56) | 0.213 |
| 10q23.31 | 9 (32) | 16 (47) | 0.301 |
| 11q25 | 6 (21) | 11 (32) | 0.400 |
| 8p23.1 | 20 (71) | 20 (59) | 0.425 |
| 3p12.1 | 19 (68) | 19 (56) | 0.434 |
| 5q13.3 | 17 (61) | 21 (62) | 0.604 |
| 13q22.1 | 10 (36) | 15 (44) | 0.606 |
| 9p21.3 | 16 (57) | 17 (50) | 0.617 |
| 17p12 | 10 (36) | 14 (41) | 0.795 |
| 4p15.31 | 15 (54) | 20 (59) | 0.798 |
| 16q23.3 | 10 (36) | 13 (38) | 1.000 |
| Regions with Copy Number Gains | |||
| 3q26.33 | 4 (14) | 11 (32) | 0.139 |
| 19q13.2 | 1 (4) | 3 (9) | 0.620 |
| 5p15.33 | 2 (7) | 4 (12) | 0.681 |
| 8p12 | 4 (14) | 4 (12) | 1.000 |
| 11q13.3 | 2 (7) | 3(9) | 1.000 |
| 8p11.21 | 1 (4) | 1 (3) | 1.000 |
*p-value determined using Fisher's exact test.