TABLE 2:

Deviation from the criterion standard

Algorithm^*	N	Mean	Median	Variance	SD	IQR	Minimum	Maximum	Range
Roll
PA	126	0.60	0.59	13.47	3.67	3.95	−10.59	9.17	19.75
Tech	126	0.71	0.78	3.42	1.85	1.99	−4.29	6.81	11.1
CATS	126	0.48	0.66	3.92	1.98	1.63	−8.21	9.37	17.6
Yaw
PA	126	0.86	0.94	22.38	4.73	6.20	−17.26	11.17	28.43
Tech	126	0.59	0.63	0.65	0.81	0.97	−2.50	2.57	5.1
CATS	126	0.86	0.96	2.52	1.59	2.11	−2.40	4.73	7.1
Talairach pitch
PA	124	−15.16	−15.11	104.23	10.21	12.97	−40.20	8.13	48.34
Tech	124	0.56	1.15	28.62	5.35	2.88	−24.62	20.68	45.3
CATS	120	−1.23	−1.11	18.52	4.30	3.60	−23.41	14.81	38.2
SPM’99	124	−3.14	−1.56	59.30	7.70	5.23	−37.96	9.88	47.8
Schaltenbrand pitch
PA	124	−9.35	−8.63	107.62	10.37	13.60	−33.69	14.62	48.31
CATS	120	0.70	1.13	18.30	4.28	4.07	−20.41	15.48	35.9

* PA indicates physical alignment; Tech, technologist; IQR, interquartile range.