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Table 1 The response rate to radiotherapy according to the IBMCG criteria

From: Early evaluation predicts pain relief of irradiated bone metastases: a single-center prospective study

Responders

CR

Pain reduction by two scores or more to zero and OMED stable or reduced

PR

Pain reduction by two scores or more and OMED stable or reduced

Stable pain and OMED reduction by 25% or more

Non-responders

PD

Pain increase by two scores or more and OMED stable or increased

No change in pain and OMED increased by 25% or more (or start of morphine use after baseline)

SD

Stable pain and stable OMED

UR

Other cases

  1. Abbreviations: CR: complete response; PR: partial response; PD: progressive disease; SD: stable disease; UR: undetermined response.