Table 1.

The mean percentages of minimum, maximum and mean planning target volume (PTV) doses ± standard deviation for all plans

	Mean dose (range) % ± SD
	Single field-ICRUrp	Single field-IBMCrp	Two opposed fields
Minimums	77.3 (72–81) ± 2.6	83.7 (74–89) ± 3.3	91 (90–95) ± 1.3
Maximums	122.2 (114–130) ± 4.3	133.9 (115–147) ± 7.1	108.8 (104–110) ± 1.3
Means	99.8 (94–107) ± 2.6	108.8 (95–116) ± 3.3	99.7(97–102) ± 1.3

ICRUrp, the International Commission on Radiation Units and Measurements reference point; IBMCrp, the International Bone Metastasis Consensus Working Party reference point; SD, standard deviation.