Table 3.

Performance results for all sockets.

Company Number	Socket	ΔVolume Socket-AAOP AAOP(%)	Radius					PT Diameter Socket-AAOP (mm)
			% of Points Within ±1.00 mm of AAOP Design	Min Error (mm)	Max Error (mm)	Mean Error (mm)	SD of Mean Error (mm)
1	A	0.3	94.1	−1.96	3.41	0.09	0.53	0.4
	B	−0.2	92.7	−2.09	3.00	−0.04	0.49	2.8
	C	−0.2	90.9	−3.56	1.78	0.01	0.64	0.7
2	A	−0.8	97.2	−1.72	2.81	−0.19	0.38	0.6
	B	0.9	97.9	−1.65	7.62	0.29	0.59	6.5
	C	0.3	89.9	−2.56	2.68	0.12	0.58	0.4
3	A	0.6	96.1	−l.85	3.69	0.20	0.46	0.7
	B	0.2	93.0	−2.76	2.19	0.10	0.54	1.8
	C	−0.7	91.3	−4.37	2.17	−0.13	0.56	0.6
4	A	−0.6	91.4	−2.65	3.98	−0.10	0.58	−0.1
	B	−1.1	96.l	−1.82	3.14	−0.33	0.39	2.0
	C	−1.3	95.2	−2.05	1.61	−0.31	0.37	0.0
5	A	−0.3	89.1	−2.79	8.11	−0.09	0.85	1.8
	B	−0.6	89.3	−2.35	7.42	−0.16	0.91	9.5
	C	−0.6	91.7	−3.04	8.96	−0.14	0.88	7.5
6	A	2.1	70.4	−2.73	3.81	0.56	0.91	−0.6
	B	0.9	94.1	−1.30	3.32	0.30	0.43	3.1
	C	1.0	95.3	−1.91	3.23	0.27	0.42	0.8
7	A	−1.2	88.4	−1.93	3.98	−0.29	0.56	1.8
	B	−0.2	97.7	−1.22	4.54	−0.05	0.40	4.2
	C	−0.3	95.5	−2.90	2.47	−0.06	0.42	1.8
8	A	−0.1	96.2	−l.88	4.14	−0.02	0.49	0.6
	B	1.5	53.8	−2.94	4.04	0.52	1.20	2.7
	C	−2.8	62.2	−6.02	6.33	−0.70	0.91	3.3
9	A	−0.9	90.6	−1.82	4.85	−0.23	0.57	−0.1
	B	−1.7	78.9	−2.36	5.25	−0.53	0.63	4.2
	C	−2.1	80.6	−2.60	4.02	−0.51	0.60	−0.4
10	A	2.7	51.9	−6.85	2.91	0.74	1.08	−3.6
	B	4.5	34.4	−4.16	11.20	1.39	1.40	14.8
	C	5.8	31.7	−4.24	9.56	1.43	1.33	6.6

AAOP = American Academy of Orthotistis and Prosthetists, Max = maximum, Min = minimum, PT = patellar tendon, SD = standard deviation.