Table 2. Procedural characteristics. Table 2. Procedural characteristics. Table 2. Procedural characteristics. Table 2. Procedural characteristics. Table 2. Procedural characteristics. Table 2. Procedural characteristics. Table 2. Procedural characteristics. Table 2. Procedural characteristics.
Procedure 1 (n=10) 2 (n=10) 3 (n=10) 1 vs 2 1 vs 3 2 vs 3 ANOVA
group-30W group-40W group-50W p p p p
Procedure time [minutes], mean (SD) 190(32) 161(41) 102(8) 0.04 <0.0001 <0.0001 <0.0001
Left atrial dwell time [minutes], mean (SD) 154(53) 113(29) 79(10) 0.07 0.01 0.01 0.02
Voltage mapping time of left atrium [minutes], mean (SD) 18(11) 16(8) 15(9) 0.22 0.19 1.00 0.26
Procedure time without Voltage mapping time [minutes], mean (SD) 169(28) 145(35) 87(7) 0.17 <0.0001 <0.0001 <0.0001
Total RF time [minutes], mean (SD) 62(17) 38(10) 28(5) <0.0001 <0.0001 0.03 <0.0001
Total number of RF applications, mean (SD) 133(43) 134(47) 104(11) 0.97 0.07 0.09 0.19
PVI time [minutes], mean (SD) 81(14) 62(19) 50(11) 0.04 <0.0001 0.14 <0.0001
PVI-RF time [minutes], mean (SD) 51(7) 34(7) 28(5) <0.0001 <0.0001 0.06 <0.0001
PVI-Number of RF applications, mean (SD) 109(21) 111(24) 104(11) 0.53 0.46 0.17 0.40
PVI-Time of a single RF application [seconds], mean (SD) 28(3) 18(1) 16(2) <0.0001 <0.0001 0.09 <0.0001
Contact force [gram], mean (SD) 15(2) 15(3) 13(1) 0.73 <0.0001 0.02 0.03
Number of stopped RF applications due to pain, mean (SD) 18(9) 9(5) 7(2) 0.03 0.01 0.25 <0.0001
Fluoroscopy time [minutes], mean (SD) 6(3) 6(2) 4(1) 0.97 0.06 0.01 0.08
Fluoroscopy dose area product [cGy.m2], mean (SD) 3377(2410) 2994(1048) 1252(782) 0.69 0.03 0.01 0.03