Table 2.
The mean or maximum doses to organs at risk (OARs)
| OARs | Mean value ± SD (Gy) | Range (Gy) |
|---|---|---|
| Serial |
Maximum dose |
|
| Brain stem |
50.53 ± 1.78 |
46.40–52.75 |
| Spinal cord |
39.95 ± 1.95 |
35.86–42.90 |
| Ipsi-lateral lens |
3.78 ± 0.78 |
2.63-4.70 |
| Contra-lateral lens |
3.58 ± 0.70 |
2.60-4.60 |
| Ipsi-lateral eye |
11.19 ± 3.10 |
6.76-17.69 |
| Contra-lateral eye |
10.38 ± 2.51 |
6.53-15.86 |
| Mandible |
63.64 ± 1.72 |
60.17-65.44 |
| Chiasm |
38.20 ± 4.67 |
15.20-46.50 |
| Parallel |
Mean dose |
|
| Ipsi-lateral parotid gland |
22.07 ± 1.66 |
19.18-24.99 |
| Contra-lateral parotid gland |
20.46 ± 2.27 |
15.48-24.56 |
| Submandibular glands |
31.92 ± 2.65 |
27.85–37.09 |
| Oral cavity | 32.49 ±6.09 | 22.19–41.06 |