“…As it is an important supplement for CVI, as it provides information on the degree of agreement beyond chance (31,38,42) , The Kappa coefficient was also calculated with the help of a statistic, using the statistical software STATA 12 (Stata#Corp, USA), which considered a significance level of 5% and an acceptance level of moderate to perfect agreement. Their values can range from 0 to 1, with perfect agreement from 1 to 0.81, substantial, from 0.61 to 0.80, moderate, from 0.41 to 0.60, weak, from 0.21 to 0.40, mild, from 0.0 to 0.20 and absent agreement less than 0 (45) .…”