Some computer graphical user interfaces in radiation therapy

Table 1 A comparison of predicted doses based on the calculated electron monitor unit by electron monitor unit calculator and measured doses for irregular fields at different electron beam energies, applicators, interpolation methods and source-to-surface distances

Energy (MeV)	Applicator (cm×cm)	SSD (cm)	Measured dose (cGy)	Predicted dose (Poly) (cGy)	Percentage difference (%)	Predicted dose (Exp) (cGy)	Percentage difference (%)
4	10 × 10	100	100.5	101.5	1.04	102.3	1.83
4	15 × 15	100	102.0	103.8	1.79	103.8	1.79
6	10 × 10	100	100.3	101.5	1.16	101.5	1.16
6	15 × 15	100	100.7	101.8	1.08	101.5	0.78
6	15 × 15	105	90.5	91.5	1.12	91.2	0.78
6	15 × 15	110	81.4	82.7	1.58	82.4	1.22
9	10 × 10	100	100.2	101	0.79	100.8	0.59
9	10 × 10	105	89.5	90.8	1.44	90.6	1.22
9	15 × 15	100	100.2	101	0.92	100.5	0.32
9	15 × 15	105	89.8	90.9	1.18	90.3	0.51
9	15 × 15	110	80.8	81.7	1.01	81.7	1.01
12	10 × 10	100	98.7	98.6	-0.11	98.8	0.06
12	10 × 10	105	88.0	88.7	0.85	88.9	1.03
12	10 × 10	110	79.2	80.3	1.29	80.4	1.46
12	15 × 15	100	100.1	100.7	0.56	99.8	-0.29
12	15 × 15	105	89.8	90.6	0.86	89.8	-0.03
16	10 × 10	100	97.6	98.4	0.78	98.6	0.99
16	10 × 10	105	87.3	88.6	1.50	88.8	1.7
16	10 × 10	110	79.1	80.2	1.35	80.3	1.55
16	15 × 15	100	99.7	100.7	0.96	99.9	0.11
16	15 × 15	105	89.5	90.7	1.32	89.9	0.42
16	15 × 15	110	80.8	81.4	0.69	81.35	0.69

SSD: Source-to-surface distance.