Table 2 Significantly different frequencies of chromosomal imbalances in early compared to advanced NPC.
| Â | Selected Region | Stage (%) | Fisher's exact | |
|---|---|---|---|---|
| Â | Â | I-II (n = 28) | III-IV (n = 80) | Â |
Gain | +1q22-q23.3 | 10.71 | 36.25 | 0.015 |
| Â | +1q31.1-q32.3 | 10.71 | 32.50 | 0.015 |
| Â | +18p | 00.00 | 21.25 | 0.005 |
| Â | +18q21.1-q21.33 | 00.00 | 20.00 | 0.010 |
Loss | -3p12.3-p14.1 | 14.29 | 42.50 | 0.010 |
| Â | -3p25.1-p26.3 | 10.71 | 37.50 | 0.008 |
| Â | -11q23.1-q25 | 10.71 | 33.75 | 0.026 |
| Â | -16q13-q24.3 | 14.29 | 37.50 | 0.032 |