Incidence and Factors Predicting Skin Burns at the Site of Indifferent Electrode during Radiofrequency Catheter Ablation of Cardiac Arrhythmias

Table 2

Comparisons for quantitative variables between the cases (burn patients) and the controls¹.

Characteristic	Cases (%)	Controls (%)	value
BMI	36.6 (27.7–65.0)	30.6 (17.6–52.6)	0.044
Procedure time (min)	224.5 (63–332)	122.5 (23–357)	0.035
Maximum temperature (°C)	55.0 (50.0–65.0)	50.0 (40.0–70.0)	0.078
Maximum current (watts)	60.0 (35.0–70.0)	50.0 (35.0–100.0)	0.325

BMI: body mass index.
¹The one-tailed Mann-Whitney U test was used for the analyses.