Table 4. Correlation between facial parameters and artifacts for each canal

Canal		Rejection		Notchduring		Rebound
		Exp	Non-exp	Exp	Non-exp	Exp	Non-exp
Head ratio
LL	r	0.170	−0.180	0.592	0.231	−0.272	−0.612
	p	0.661	0.643	0.093	0.549	0.479	0.080
RL	r	0.271	−0.142	0.037	−0.143	0.475	0.154
	p	0.481	0.715	0.924	0.713	0.196	0.693
LA	r	−0.060	0.542	−0.589	0.111	−0.120	0.467
	p	0.879	0.131	0.095	0.776	0.758	0.205
RP	r	0.639	0.151	−0.152	0.353	0.697	0.757
	p	0.064	0.699	0.695	0.352	0.037	0.018
RA	r	−0.433	0.226	−0.301	−0.204	−0.016	0.380
	p	0.244	0.558	0.432	0.598	0.967	0.314
LP	r	−0.349	0.241	0.103	0.370	0.434	0.818
	p	0.358	0.532	0.792	0.327	0.244	0.007
Depth of nasion
LL	r	0.211	0.613	−0.087	0.078	−0.124	−0.086
	p	0.585	0.079	0.824	0.841	0.751	0.826
RL	r	0.353	0.307	−0.008	0.502	0.315	0.294
	p	0.351	0.422	0.983	0.168	0.409	0.443
LA	r	−0.157	0.056	0.334	0.520	0.086	−0.489
	p	0.687	0.887	0.379	0.151	0.825	0.181
RP	r	0.075	−0.213	−0.520	0.098	0.237	0.210
	p	0.847	0.582	0.151	0.801	0.538	0.588
RA	r	0.453	0.120	0.059	−0.202	−0.046	0.149
	p	0.221	0.758	0.881	0.602	0.906	0.703
LP	r	0.815	−0.128	0.036	0.355	0.234	0.395
	p	0.007	0.743	0.927	0.348	0.544	0.293
Nasofrontal angle
LL	r	−0.315	−0.501	−0.236	−0.419	0.477	−0.005
	p	0.410	0.169	0.542	0.261	0.195	0.990
RL	r	−0.455	−0.342	0.143	−0.115	−0.178	−0.168
	p	0.218	0.368	0.713	0.769	0.647	0.666
LA	r	0.000	−0.354	−0.114	−0.326	−0.113	0.023
	p	1.000	0.350	0.769	0.392	0.773	0.952
RP	r	−0.388	−0.187	0.403	−0.440	−0.304	−0.371
	p	0.302	0.629	0.283	0.236	0.427	0.326
RA	r	−0.343	−0.147	−0.212	0.232	−0.047	−0.234
	p	0.366	0.706	0.583	0.548	0.905	0.544
LP	r	−0.580	−0.277	0.198	−0.493	−0.390	−0.621
	p	0.101	0.470	0.610	0.178	0.300	0.074
Pupil ratio
LL	r	0.473	−0.602	−0.086	−0.040	−0.028	0.142
	p	0.198	0.087	0.827	0.919	0.942	0.716
RL	r	0.236	−0.847	0.628	−0.195	−0.314	−0.084
	p	0.542	0.004	0.070	0.614	0.410	0.831
LA	r	0.332	−0.342	−0.091	0.664	−0.572	−0.279
	p	0.383	0.367	0.817	0.051	0.108	0.467
RP	r	0.128	−0.373	0.265	−0.279	−0.088	−0.100
	p	0.743	0.323	0.490	0.467	0.823	0.798
RA	r	−0.380	−0.337	0.016	−0.072	−0.518	−0.488
	p	0.313	0.375	0.967	0.855	0.153	0.183
LP	r	−0.481	−0.586	0.693	−0.011	−0.438	−0.229
	p	0.189	0.097	0.039	0.977	0.238	0.553

Pearson or spearman correlation analysis was used.