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Output ratio (OR) for square fields in full scatter water phantom for Theratron Phoenix Co-60 compared with ESTRO Booklet No:6 published data for MDS Co-60 Theratron 780
| Side of square field (cm) | Theratron Phoenix Co-60 | MDS Co-60 Theratron 780 | % Deviation |
|---|---|---|---|
| 5 | 0.857 | 0.858 | −0.12 |
| 6 | 0.887 | 0.897 | −1.11 |
| 8 | 0.949 | 0.951 | −0.21 |
| 10 | 1.000 | 1.000 | 0.00 |
| 15 | 1.081 | 1.093 | −1.10 |
| 20 | 1.142 | 1.152 | −0.87 |
| 25 | 1.183 | 1.200 | −1.42 |
| 30 | 1.193 | 1.225 | −2.61 |
| 35 | 1.204 | 1.236 | −2.59 |
