Table 2.

Agreement of two raters each for the assignment of the #Enzian classification on MRI.

	Reader 1 and 2, 95% CI	Reader 1 and 3, 95% CI	Reader 2 and 3, 95% CI
DIE, all locationsa	0.92 (0.81–1.00)*	0.88 (0.75–1.00)*	0.88 (0.75–1.00)*
O, dichotomized, both sidesa	0.95 (0.84–1.00)*	0.94 (0.83–1.00)*	0.89 (0.74–1.00)*
O, dichotomized, left sidea	1.00 (1.00–1.00)*	0.86 (0.68–1.00)*	0.86 (0.68–1.00)*
O, dichotomized, right sidea	0.85 (0.65–1.00)*	1.00 (1.00–1.00)*	0.85 (0.65–1.00)*
A, dichotomizeda	0.96 (0.87–1.00)*	0.91 (0.80–1.00)*	0.96 (0.87–1.00)*
B, dichotomized, both sidesa	0.92 (0.80–1.00)*	0.75 (0.56–0.94)*	0.75 (0.56–0.94)*
B, dichotomized, left sidea	0.87 (0.74–1.00)*	0.65 (0.44–0.87)*	0.62 (0.39–0.84)*
B, dichotomized, right sidea	0.87 (0.72–1.00)*	0.69 (0.48–0.90)*	0.74 (0.55–0.93)*
C, dichotomizeda	0.87 (0.73–1.00)*	0.73 (0.53–0.93)*	0.77 (0.58–0.96)*
FAa	0.61 (0.36.-0.86)*	0.39 (0.05.-0.74)**	0.37 (0.09.-0.64)*
FBa	0.66 (0.03.-1.00)*	1.00 (1.00–1.00)*	0.66 (0.03–1.00)*
FUa	1.00 (1.00–1.00)*	0.00 (0.00–0.00)	0.00 (0.00–0.00)
FIa	1.00 (1.00–1.00)*	0.55 (0.10–0.99)*	0.55 (0.10–0.99)*
F(…)a	0.88 (0.64–1.00)*	0.31 (−0.16–0.78)**	0.38 (−0.15–0.91)*
O, 0–3, left sideb	1.00 (1.00–1.00)*	0.91 (0.82–0.99)*	0.91 (0.82–0.99)*
O, 0–3, right sideb	0.96 (0.89–1.00)*	0.96 (0.91–1.00)*	0.92 (0.84–1.00)*
A, 0–3b	0.84 (0.71–0.97)*	0.89 (0.80–0.97)*	0.91 (0.84–0.98)*
B, 0–3, left sideb	0.88 (0.79–0.97)*	0.66 (0.47–0.84)*	0.64 (0.44–0.85)*
B, 0–3, right sideb	0.89 (0.80–0.98)*	0.67 (0.49–0.85)*	0.70 (0.53–0.87)*
C, 0–3b	0.89 (0.82–0.97)*	0.83 (0.70–0.97)*	0.89 (0.78–1.00)*

DIE, deep infiltrating endometriosis. ^aCohen’s kappa. ^bWeighted kappa, quadratic weights. ^*p < 0.001. ^**p = 0.002.

Readers 1 and 2 had 5–7 years’ experience in endometriosis MRI, reader 3 had no experience and received a 1 h training.