Table 4 Sensitivity, specificity, exact agreement, and Cohen’s kappa for recurrence variables in the registry

Any recurrence

90.3%

(86.9–92.9%)

91.2%

(87.9–93.7%)

90.8%

(88.5–92.6%)

0.82

(0.77–0.86)

Local recurrence

80.0%

(72.3–86.0%)

95.5%

(94.0–96.8%)

92.8%

(90.7–95.0%)

0.75

(0.69–0.81)

Regional recurrence

46.9%

(33.0–62.0%)

97.4%

(96.0–98.0%)

94.1%

(92.2–95.6%)

0.48

(0.35–0.61)

Distant recurrence

74.9%

(69.0–80.0%)

96.6%

(94.5–97.9%)

88.4%

(85.9–90.5%)

0.74

(0.69–0.79)