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Table 4: 
Results of the statistical analysis in terms of κ values for all LDSs and intervened LDSs
All LDSs (n = 36) Intervened LDSs (n = 22)
    Lacrimal sac 0.844 0.842
    Junction 0.826 0.752
    NLD 0.814 0.768
    CM in nasal cavity 0.786 0.776

Note:—CM indicates contrast media.
	All LDSs (n = 36)	Intervened LDSs (n = 22)
Lacrimal sac	0.844	0.842
Junction	0.826	0.752
NLD	0.814	0.768
CM in nasal cavity	0.786	0.776