TABLE 1.

Summary of iSV Errors

Case	Number of images	Number of measurement points	Mean ± standard deviation (mm)
1	54	337	1.0 ± 0.4
2	54	390	1.2 ± 0.6
3	54	459	1.2 ± 0.5
4	54	439	1.3 ± 0.6
5	54	478	1.2 ± 0.7
6	54	450	1.4 ± 0.7
Overall	324	2553	1.2 ± 0.6

iSV: intraoperative stereovision.