EBRO 2017

Effectiveness of palliative RT

• Some of these are over estimates

Condition

NNT

Painful bone metastases

1.25

Partial relief

2.5

Complete relief

• Some are wrong

1.25

Hemoptysis

1.43

Chest pain (lung cancer) Superior vena cava syndrome

• But the “pooled” NNT for palliative RT remains good

1.3

1.67

Brain metastases

1.5

Spinal cord compression