Automatic Segmentation and Measurement on Knee Computerized Tomography Images for Patellar Dislocation Diagnosis

Table 2

Statistics of overlap rate (%) and false-positive rates (%) for the femur and the patella regions on both legs of the 15 patients.

Patient number	Left leg				Right leg
	1	96.68	2.33	97.61	1.85	98.02	4.14	98.55	6.00
2	94.22	0.23	95.38	2.92	88.89	3.83	92.24	13.31
3	96.13	0.08	95.91	2.61	97.79	1.13	95.67	1.43
4	97.40	1.51	88.14	0.37	97.31	0.63	92.92	0.09
5	95.83	0.65	95.74	5.10	94.18	0.56	96.40	11.25
6	98.72	0.96	93.17	0.57	98.39	0.96	94.12	0.24
7	96.60	8.68	90.49	1.47	96.71	6.45	90.19	1.11
8	86.15	0.99	97.88	4.55	96.94	0.63	96.32	3.77
9	95.06	0.16	91.62	1.29	96.35	0.99	95.69	2.21
10	95.45	1.79	92.47	2.82	81.84	3.85	93.39	1.36
11	96.73	2.72	94.61	3.51	91.15	2.38	91.58	8.15
12	95.92	0.76	92.70	0.16	94.53	0.76	93.32	2.86
13	97.16	1.39	95.09	0.66	94.28	3.11	96.24	4.10
14	95.63	0.32	94.51	1.35	96.36	1.03	95.98	1.40
15	97.19	1.03	90.62	0.12	97.57	2.62	88.10	0.00
MEAN	95.66	1.57	93.73	1.96	94.69	2.21	94.05	3.82
SDEV	2.91	3.15	2.66	2.09	4.53	2.89	2.67	5.18

 = overlap rate,  = false-positive rate, F = femur, P = patella, and SDEV = standard deviation.