Isocentric Navigation for the Training of Percutaneous Endoscopic Transforaminal Discectomy: A Feasibility Study

Table 4

Analysis in Group A.

Analytic terms	Before the program	After the program	P Value
Worry rate	90.0% (n=52)	91.4%(n=53)	0.75
Urge rate	96.6%(n=56)	98.3%(n=57)	0.56
Requirement rate	89.0%(n=51)	89.7%(n=52)	0.77