Table 2.

Comparison between Paprosky and new classification systems

Criteria	Paprosky	New	Interpretation
Krippendorff’s alpha co-efficient	0.39	0.72	New classification- significant inter-rater reliability Paprosky classification- moderate inter-rater reliability
Excellent percentage agreement (0.8 or more)	3	69	p value < 0.001 (significant)
Moderate percentage agreement (0.5 to 0.7)	33	17	p value = 0.001 (significant)
Poor percentage agreement (0.4 or less)	63	13	p value < 0.001 (significant)