Table 5 Differences between ICRU rectum and bladder doses from orthogonal films and D2, and D5, of the rectum and bladder obtained from CT scans.
Variable | Mean difference (Gy) | |||
|---|---|---|---|---|
| Â | All patients | Group 1 | Group 2 | P (1 vs.2) |
Rectum | Â | Â | Â | Â |
   ICRU-D2 | -3.3 | -2.9 | -3.6 | 0.24 |
   ICRU-D5 | -2.1 | -1.8 | -2.4 | 0.26 |
Bladder | Â | Â | Â | Â |
   ICRU-D2 | -3.1 | -2.3 | -3.8 | 0.01 |
   ICRU-D5 | -1.7 | -1.1 | -2.3 | 0.01 |