Table 2.

Quantitative information on delineated cases excluding outliers (analysis 2), cases with ablation cavities were excluded (n = 2). All values per GTV are presented as the median over all observers and the totals (last row) as the median over all GTVs. The exception being the IOV, which was calculated as the RMS over all observers and GTVs respectively.

Case	IOV (mm)	Volume (cm3)	Regularity	Dice	HD max (mm)
GTV 1	2.3	33.7	0.72	0.89	2.8
GTV 2	1.6	22.1	0.72	0.87	3.2
GTV 3	0.8	7.8	0.82	0.88	2.2
GTV 4	1.6	1.7	0.76	0.68	4.0
GTV 5	1.5	22.9	0.76	0.88	3.0
GTV 6	0.7	1.6	0.88	0.77	2.2
GTV 7	0.6	4.7	0.93	0.90	1.9
GTV 8	1.8	38.4	0.80	0.88	3.4
GTV 9	1.3	3.3	0.84	0.83	2.7
GTV 10	0.9	5.4	0.88	0.86	2.3
GTV 11	0.9	1.9	0.81	0.79	2.5
GTV 12	1.0	3.9	0.83	0.86	2.2
GTV 13	0.8	3.7	0.85	0.78	2.5
GTV 14	0.9	5.0	0.86	0.84	2.3
GTV 15	1.2	25.1	0.89	0.92	2.7
GTV 16	1.0	101.6	0.84	0.92	2.6
GTV 17	1.1	29.6	0.89	0.92	2.6
GTV 18	1.4	7.1	0.76	0.79	2.0
GTV 19	1.1	30.4	0.86	0.90	2.9
GTV 20	1.3	47.9	0.82	0.90	3.8
Total	1.3	7.4	0.84	0.88	2.6

Abbreviations: IOV = interobserver variation (mm) calculated as root mean square (RMS), HD max = maximum Hausdorff distance (mm).