|  | Mean ± SD (%) | Mean difference | Percentage mean difference | p | |
---|---|---|---|---|---|---|
 |  | 60Co | 192Ir |  |  |  |
TCP | Tumor | 97.09 ± 0.58 | 97.08 ± 0.97 | 0.01 | 0.0001 | 0.861 |
NTCP | Bladder | 0.27 ± 0.15 | 0.33 ± 0.18 | − 0.06 | − 0.1818 | 0.000 |
 | Rectum | 4.14 ± 4.17 | 4.98 ± 5.3 | − 0.84 | − 0.1687 | 0.030 |
 | Intestines | 29.88 ± 15.78 | 32.56 ± 16.68 | − 2.68 | − 0.0823 | 0.000 |