Table 6.

Presentation of the Kappa index between the assessments made by the six observers for the Lauge-Hansen classification.

	O1	O2	O3	O4	O5	O6
O1	X	0.30	0.27	0.08	0.08	0.08
O2	0.30	X	0.17	−0.03	−0.03	−0.03
O3	0.27	0.17	X	0.31	0.31	0.31
O4	0.08	−0.03	0.31	X	1.00	1.00
O5	0.08	−0.03	0.31	1.00	X	1.00
O6	0.08	−0.03	0.31	1.00	1.00	X