Table 2.

Multiple regression analysis assessing contribution of measured catheter force, time, power, and configuration to total lesion depth

	Coefficient (significance)
	Perp-configuration	Para-configuration	Combined data
Force (on active catheter)	0.009 (P = .84)	−0.173 (P = .70)	0.008 (P = .89)
Force (on indifferent catheter)	0.016 (P = .86)	0.475 (P = .23)	0.091 (P = .39)
Power	0.037 (P = .59)	−0.144 (P = .53)	0.025 (P = .73)
Time	0.147 (P < .01)	0.170 (P = .02)	0.152 (P < .01)
Tissue thickness	−0.139 (P = .12)	0.155 (P = .60)	−0.077 (P = .39)
Configuration	-	-	0.712 (P = .55)
Constant	6.21 (P = .09)	4.32 (P = .74)	4.779 (P = .20)
Overall model fit	P < .01	P = .16	P < .01