Skip to main content
. Author manuscript; available in PMC: 2013 Sep 11.
Published in final edited form as: J Minim Invasive Gynecol. 2009 Nov-Dec;16(6):692–699. doi: 10.1016/j.jmig.2009.06.022

Table 3.

Cumulative Failure Ratesa

RFA (n=255)
 TBA (n=200)
Time No. of Patients
at Risk		 CFR
(95% CI), %		 No. of Patients
at Risk		 CFR
(95% CI), %
1 year 197 2.6 (1.1-5.6) 178 5.0 (3.0-9.0)
2 years 103 5.7 (3.0-10.0) 156 8.8 (4.7-13.8)
3 years 34 9.3 (5.1-16.0) 133 11.9 (7.0-16.0)

Abbreviations: CFR, cumulative failure rate per 100 patients; CI, confidence interval; RFA, radiofrequency ablation; TBA, thermal balloon ablation.

a

Calculated by using the Kaplan-Meier method.