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. 2021 Jan 12;91(2):164–170. doi: 10.2319/072220-646.1

Table 3.

Comparisons Between Invisalign and FFA T₁ to T₂

Variable	Invisalign, T₁–T₂				FFA, T₁–T₂				Invisalign vs FFA, P Value
Variable	Mean	Median	SD	P Value	Mean	Median	SD	P Value	Invisalign vs FFA, P Value
SNA	0.07	0.45	0.88	.697	−0.19	−0.45	1.14	.419	.39^a
SNB	0.32	0.35	0.65	.025	0.70	0.85	1.16	.007	.09^a
ANB	−0.23	−0.15	1.00	.280	−0.99	−0.85	1.18	<.001	.019
Facial axis	−1.30	−1.55	1.46	<.001	−1.17	−1.20	1.50	.001	.763
Sn–GoGn	0.65	0.80	0.98	.003	1.15	0.95	0.92	<.001	.078
OP–GoGn	0.41	0.35	1.38	.156	0.32	0.70	1.07	.154	.78
ODI	−1.51	−1.70	0.96	<.001^b	−2.03	−2.10	1.07	<.001^b	.03^a
ANS–Menton	0.64	0.75	1.10	.009	1.85	2.00	1.49	<.001	.003
P:A face height	−0.66	−0.65	1.72	.073	−0.91	−0.95	1.50	.007	.594
U1–PP	−0.88	−1.00	0.57	<.001	−1.14	−1.35	1.28	<.001	.35^a
U1–SN	0.59	1.30	3.07	.359	4.14	5.30	5.15	.001	.01^a
U6–PP	0.35	0.50	0.57	.007	0.55	0.90	1.16	.030	.03^a
L1–MP	−1.30	−1.50	0.90	<.001	−2.06	−2.35	1.26	<.001	.00^a
L6–MP	0.58	0.55	0.76	.001	0.75	0.80	0.87	<.001	.36^a
IMPA	0.34	0.05	2.92	.577	3.50	4.15	2.96	<.001	.00^a
OB	−1.33	−1.30	0.61	<.001	−2.02	−1.75	0.86	<.001	.003
OJ	−0.79	−0.95	0.92	<.001	−1.41	−1.55	1.30	<.001	.063
Upper lip–E plane	0.63	0.55	1.14	.013	−0.72	−0.90	1.41	.020	.001
Lower lip–E plane	0.58	0.80	1.34	.043	−0.51	−0.60	1.76	.167	.019
Nasolabial angle	−0.14	−0.95	3.10	.825	3.53	5.25	5.85	.007	.01^a

^a

Between-group significance determined using the Mann-Whitney U-test.

^b

ODI within group significance determined using Wilcoxon signed rank test. Bold font indicates statistical significance at P< .05.