. 2023 Nov 1;48(4):e38. doi: 10.5395/rde.2023.48.e38

Table 4. Comparison of the distribution of the removal-left status of the file by curvature classification.

Management of file	Canal curvature classification				p ^*
Management of file	Mild	Moderate	Severe	Ultra-severe	p ^*
Retrieval	1 (8.3)	2 (5.7)	0 (0.0)	0 (0.0)	0.028
By-passed	5 (41.7)^a	10 (28.6)^a	1 (3.3)^b	0 (0.0)^ab
Left	6 (50.0)^a	23 (65.7)^a	29 (96.7)^b	2 (100.0)^ab
Total	12 (100.0)	35 (100.0)	30 (100.0)	2 (100.0)

Values are presented as number of patients (%).

^*Pearson χ² test; ^a,bThere is no difference between rows with the same letter.