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Figure 2: Comparison of intensity-modulated radiation therapy and volumetric-modulated arc therapy treatment plans using formulas for equivalent uniform dose and generalized equivalent uniform dose (generalized equivalent uniform dose). The average equivalent uniform dose for intensity-modulated radiation therapy versus volumetric-modulated arc therapy were 26.61 versus 26.16 and the average generalized equivalent uniform dose was 27.73 versus 27.12, respectively, with P ≤ 0.02. For both the equivalent uniform dose and the generalized equivalent uniform dose, the ratio of intensity-modulated radiation therapy/volumetric-modulated arc therapy was 1.02

Figure 2: Comparison of intensity-modulated radiation therapy and volumetric-modulated arc therapy treatment plans using formulas for equivalent uniform dose and generalized equivalent uniform dose (generalized equivalent uniform dose). The average equivalent uniform dose for intensity-modulated radiation therapy versus volumetric-modulated arc therapy were 26.61 versus 26.16 and the average generalized equivalent uniform dose was 27.73 versus 27.12, respectively, with <i>P</i> ≤ 0.02. For both the equivalent uniform dose and the generalized equivalent uniform dose, the ratio of intensity-modulated radiation therapy/volumetric-modulated arc therapy was 1.02