Table 1.

Results of guide wire insertion in bone models with and without navigation

Bone model	Total time required (mins)	Reduction in time required (%)	Total number of shoots	Reduction in number of shoots (%)	Total number of attempts	Reduction in number of attempts (%)
Femur
Benchmark	17		65		4
Navigation
1	6.42	62.23	18	72.3	3	25
2	7.5	55.88	17	73.84	4	0
3	2.45	85.58	16	75.38	1	75
4	6.1	64.11	16	75.38	2	50
5	5.5	67.64	12	81.53	2	50
6	6.09	64.17	15	76.92	3	25
7	5	70.59	15	76.92	1	75
8	7.2	57.65	21	67.69	1	75
9	4.83	71.59	13	80	1	75
10	6.83	59.82	21	67.69	2	50
11	5.22	69.29	23	64.62	3	25
12	4.86	71.41	18	72.31	3	25
13	3.02	82.24	5	92.31	1	75
14	4.46	73.76	15	76.92	3	25
15	3.4	80	8	87.69	1	75
16	7.39	56.53	14	78.46	2	50
17	5.2	69.41	17	73.85	2	50
18	7.6	55.29	19	70.77	2	50
19	5.2	69.41	15	76.92	1	75
20	7.2	57.65	20	69.23	1	75
Tibia
Benchmark	9		11		3
Navigation
1	5.2	42.22	3	72.72	3	0
2	1	72.88	3	72.73	1	66.67
3	0.5	85.47	2	81.82	1	66.67
Humerus
Benchmark	4.13		6		6
Navigation
1	1	75.78	2	66.66	1	83.33
2	1.12	72.88	2	66.67	2	66.67
3	0.6	85.47	1	83.33	1	83.33