Table 1.

Performance (Allowed_Sensitivity) of the 25 assigned classes at level 1, and the number of assigned classes (n) and performance distribution [Min, Max] at levels 2, 3, and 4

	Level 1 (anatomy)	Level 2 (laterality)		Level 3 (projection)		Level 4 (detail)
Class	Performance	(n)	Performance	(n)	Performance	(n)	Performance
Abd	0.99	1	[0.98, 0.98]	1	[0.98, 0.98]	2	[0.86, 1.00]
Chest	1.00	1	[1.00, 1.00]	2	[0.96, 1.00]	3	[0.74, 1.00]
Ribs	0.98	2	[0.77, 0.80]	2	[0.88, 0.91]	6	[0.38, 0.83]
Ankle	1.00	2	[0.95, 1.00]	6	[0.93, 1.00]	12	[0.64, 1.00]
Femur	0.95	2	[0.99, 0.99]	12	[0.78, 1.00]	12	[0.67, 1.00]
Foot	1.00	2	[0.97, 1.00]	6	[0.90, 1.00]	10	[0.84, 1.00]
Heel	0.98	2	[0.93, 0.97]	4	[0.90, 1.00]	4	[0.82, 1.00]
Hip	1.00	2	[1.00, 1.00]	6	[1.00, 1.00]	6	[0.82, 1.00]
Pelvis	0.96	1	[1.00, 1.00]	1	[1.00, 1.00]	3	[0.79, 1.00]
Knee	1.00	2	[0.92, 0.92]	8	[0.67, 1.00]	8	[0.80, 1.00]
TibFib	0.96	2	[0.85, 0.91]	4	[0.82, 0.95]	4	[0.75, 0.89]
Toe	0.97	2	[0.84, 0.97]	4	[0.81, 1.00]	4	[0.81, 1.00]
Shoulder	0.99	2	[0.96, 0.97]	8	[0.82, 1.00]	12	[0.00, 1.00]
Elbow	1.00	2	[0.93, 0.96]	6	[0.77, 1.00]	6	[0.68, 1.00]
Finger	1.00	2	[0.80, 1.00]	4	[0.50, 0.92]	4	[0.67, 1.00]
Forearm	1.00	2	[1.00, 1.00]	4	[0.91, 1.00]	4	[0.82, 1.00]
Hand	1.00	2	[0.99, 1.00]	8	[0.84, 1.00]	8	[0.70, 1.00]
Humerus	0.96	2	[0.97, 0.98]	4	[0.84, 0.94]	4	[0.88, 1.00]
Wrist	1.00	2	[0.97, 0.99]	4	[0.86, 1.00]	8	[0.61, 1.00]
Head	1.00	1	[1.00, 1.00]	4	[0.67, 1.00]	4	[0.94, 1.00]
Neck	1.00	1	[1.00, 1.00]	2	[1.00, 1.00]	2	[1.00, 1.00]
CSpine	1.00	1	[1.00, 1.00]	2	[1.00, 1.00]	6	[0.59, 1.00]
TSpine	0.98	1	[0.98, 0.98]	2	[0.91, 1.00]	3	[0.94, 1.00]
LSpine	1.00	1	[0.99, 0.99]	2	[0.98, 1.00]	5	[0.35, 1.00]
Sacrum	1.00	1	[1.00, 1.00]	2	[0.91, 0.96]	3	[0.85, 1.00]
All		41		108		143