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ECT的敏感性及特异性
Sensitivity and specificity of ECT
| ECT positive | ECT negative | Total | |
| Sensitivity: 315/(315+7)=97.83%; Specificity: 151/(127+151)=54.32%; ECT: emission computed tomograph. | |||
| Bone metastasis | 315 | 7 | 322 |
| Not bone metastasis | 127 | 151 | 278 |
| Total | 442 | 158 | 600 |
