Table 1.

Evaluation results for four template-based segmentation approaches.

Side and Template	Dice Mean ± SD	Dice Min/Max	Surface Dist Mean ± SD	Mean Max Surface Dist
Diseased SyGN Template	0.740 ± 0.07	0.6/0.85	0.78 ± 0.27	3.73
Diseased OA Template	0.728 ± 0.08	0.59/0.84	0.81 ± 0.28	3.66
Diseased Individual Template	0.690 ± 0.10	0.51/0.81	1.43 ± 1.2	5.1
Diseased Shape Template	0.686 ± 0.12	0.54/0.83	1.32 ± 1.1	4.9
Healthy SyGN Template	0.800 ± 0.09	0.52/0.88	1.01 ± 1.6	4.00
Healthy OA Template	0.802 ± 0.09	0.53/0.89	0.98 ± 1.6	3.48
Healthy Individual Template	0.781 ± 0.12	0.42/0.88	1.55 ± 2.1	5.47
Healthy Shape Template	0.776 ± 0.13	0.48/0.88	1.42 ± 1.7	5.01

Dice Measure Comparison	T-value	P-value	Distance Measure Comparison	T-value	P-value
Diseased SyGN vs OA	2.60	0.021*	Diseased SyGN vs OA	1.70	0.11
Diseased SyGN vs Indi	3.52	0.004*	Diseased SyGN vs Indi	2.86	0.012*
Diseased OA vs Indi	2.41	0.037*	Diseased OA vs Indi	1.69	0.12
Diseased SyGN vs Shape	3.55	0.004*	Diseased SyGN vs Shape	2.80	0.014*
Diseased OA vs Shape	2.44	0.037*	Diseased OA vs Shape	1.62	0.13
Healthy SyGN vs OA	0.34	0.738	Healthy SyGN vs OA	−1.27	0.22
Healthy SyGN vs Indi	2.11	0.055	Healthy SyGN vs Indi	1.72	0.11
Healthy OA vs Indi	1.70	0.112	Healthy OA vs Indi	1.73	0.11
Healthy SyGN vs Shape	2.13	0.055	Healthy SyGN vs Shape	1.72	0.11
Healthy OA vs Shape	1.71	0.112	Healthy OA vs Shape	1.73	0.11

^*The * denotes significance.