. 2019 Apr 3;14(4):e0212903. doi: 10.1371/journal.pone.0212903

Table 2. Primary and secondary outcomes in treatment groups.

	CF not visible	CF visible	ECI not visible	ECI Visible	P value
Time to achieve bidirectional block (minutes)	26.0 (25)	20.5 (15)	30.0 (31)	10.5 (12)	0.020
Time to achieve bidirectional block (minutes)	0.534		0.023		0.020
Total RF time (seconds)	667 (521)	561 (811)	1131 (714)	641 (427)	0.076
Total RF time (seconds)	0.999		0.319		0.076
RF time power product (watt-seconds/1000)	26.4 (20.8)	22.4 (32.9)	45.2 (27.4)	25.2 (17.1)	0.066
RF time power product (watt-seconds/1000)	1.000		0.300		0.066
Fluoroscopy time during CTI line creation (seconds)	238 (219)	137 (189)	311 (387)	123 (177)	0.004
Fluoroscopy time during CTI line creation (seconds)	0.873		0.002		0.004
Total fluoroscopy time (seconds)	507 (374)	393 (348)	866 (581)	492 (510)	0.019
Total fluoroscopy time (seconds)	0.977		0.389		0.019
Total procedure time (minutes)	80.0 (33.5)	73.0 (33.3)	97.0 (23.0)	74.0 (19.0)	0.138
Total procedure time (minutes)	0.978		0.096		0.138
30-minute success rate (number of cases)	22 [81.4]	22 [84.6]	20 [87.0]	18 [81.8]	0.957
30-minute success rate (number of cases)	0.990		0.968		0.957
Length of line (millimetres)	33.0 (17.0)	33.0 (15.5)	37.0 (6.00)	34.5 (14.7)	0.084
Length of line (millimetres)	0.999		0.882		0.084
Average overall force (grams) (total)	9.03 (7.43)	11.3 (5.54)			0.016
Average CF force (grams) (IVC)	7.40 (12.3)	12.5 (7.68)			0.032
Average CF force (grams) (mid)	9.10 (7.20)	12.4 (6.23)			0.032
Average CF force (grams) (TVA)	6.50 (4.90)	10.6 (6.55)			0.003

Values shown are medians (interquartile range). Statistical analysis involved logarithmic transformed ANOVA and post-hoc Tukey’s Test.

Abbreviations: CF, contact force; ECI, electrical coupling index; RF, radiofrequency; CTI, cavotricuspid isthmus; IVC, inferior vena cava; mid, mid-cavotricuspid isthmus; TVA, tricuspid valve annulus