Frequency and patterns of early recanalization after vasectomy

BMC Urology

Table 2 Agreement of reviewers on early recanalization in the fascial interposition trial and the cautery study.

Reviewers	Crude agreement	Kappa coefficient	95% CI
FI trial
1 vs. 2	0.89	0.60	0.53 – 0.68
1 vs. 3	0.95	0.84	0.79 – 0.89
2 vs. 3	0.90	0.58	0.49 – 0.66
All three	0.87	0.68	0.64 – 0.72
Cautery study
1 vs. 2	0.93	0.40	0.22 – 0.58
1 vs. 3	0.88	0.35	0.21 – 0.49
2 vs. 3	0.91	0.42	0.27 – 0.57
All three	0.86	0.38	0.34 – 0.43

FI = fascial interposition
Note: agreement was assessed on two categories (recanalization, no recanalization) in the FI trial and on three categories (recanalization, no recanalization, indeterminate) in the cautery study.

ISSN: 1471-2490