Table 2 Conformity index (CI), dose homogeneity index (DHI), tumor control probability (TCP), normal tissue complication probably (NTCP) and normal tissue dose metrics for the parotid gland patients.
Patient | Plan (IMRT:e) | PTV | Normal Tissues | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Â | Â | CI | DHI | TCP (%) | Cont. Parotid | Spinal Cord | Cont. Eye | Ips. Eye | ||
| Â | Â | Â | Â | Â | Dmean (Gy) | NTCP (%) | Dmax (Gy) | NTCP (%) | Dmax (Gy) | Dmax (Gy) |
1 | HT | 0.85 | 0.06 | 98.5 | 6.0 | 6.8 | 43.2 | 0.3 | 6.9 | 9.1 |
| Â | 1:0 | 0.84 | 0.10 | 98.6 | 7.3 | 7.9 | 45.3 | 0.5 | 2.9 | 4.4 |
| Â | 2:1 | 0.85 | 0.09 | 98.7 | 6.7 | 7.3 | 46.6 | 0.6 | 3.2 | 4.0 |
| Â | 1:1 | 0.80 | 0.10 | 98.6 | 6.9 | 7.5 | 48.1 | 0.5 | 3.6 | 4.1 |
| Â | 1:2 | 0.83 | 0.09 | 98.7 | 5.0 | 6.0 | 43.8 | 0.4 | 3.5 | 3.7 |
| Â | 1:3 | 0.82 | 0.09 | 98.7 | 4.9 | 6.0 | 44.2 | 0.4 | 3.5 | 3.7 |
| Â | 1:4 | 0.81 | 0.10 | 98.7 | 4.9 | 5.9 | 43.9 | 0.3 | 3.6 | 3.8 |
| Â | 0:1 | 0.66 | 0.27 | 95.6 | 3.4 | 4.9 | 45 | 0.4 | 3.6 | 3.9 |
2 | HT | 0.77 | 0.02 | 100 | 13.2 | 14.4 | 41.2 | 0.4 | 12 | 11.9 |
| Â | 1:0 | 0.65 | 0.06 | 100 | 8.2 | 8.6 | 43.3 | 0.3 | 7.6 | 11.1 |
| Â | 2:1 | 0.65 | 0.06 | 100 | 6.0 | 6.8 | 39 | 0.1 | 6.2 | 13.5 |
| Â | 1:1 | 0.70 | 0.05 | 100 | 5.1 | 6.1 | 37.2 | < 0.1 | 4.7 | 13.7 |
| Â | 1:2 | 0.52 | 0.06 | 100 | 4.0 | 5.3 | 36.1 | < 0.1 | 3.8 | 14.1 |
| Â | 1:3 | 0.60 | 0.06 | 100 | 3.5 | 5.0 | 35.8 | < 0.1 | 3.0 | 14.0 |
| Â | 1:4 | 0.59 | 0.05 | 100 | 3.1 | 4.8 | 35.6 | < 0.1 | 3.7 | 16.0 |
| Â | 0:1 | 0.18 | 0.18 | 99.7 | 1.1 | 3.7 | 30.7 | < 0.1 | 1.6 | 14.6 |