. 2020 Feb 24;90(4):507–515. doi: 10.2319/082819-558.1

Table 5. .

Open Bite Closure as Measured Clinically Every 2 Weeks and the Total Value in Both Groups^a

		Mean		SD		Mean Difference			SD		SEM		P Value
Interval		C	I	C	I	C	I	C-I	C	I	C	I	C	I	C-I
1	W2	4.584	4.938	0.89	1.79	−0.498	−0.810	0.31	0.44	0.57	0.15	0.18	.0093*	.0015*	>.05
1	pre	5.082	5.748	0.95	1.87	−0.498	−0.810	0.31	0.44	0.57	0.15	0.18	.0093*	.0015*
2	W4	4.243	4.740	0.92	1.79	−0.341	−0.198	−0.14	0.16	0.37	0.05	0.12	.0002*	.1212	>.05
2	W2	4.584	4.938	0.89	1.79	−0.341	−0.198	−0.14	0.16	0.37	0.05	0.12	.0002*	.1212
3	W6	4.032	4.252	1.40	1.73	−0.211	−0.488	0.28	0.55	0.31	0.18	0.10	.2814	.0007*	>.05
3	W4	4.243	4.740	0.92	1.79	−0.211	−0.488	0.28	0.55	0.31	0.18	0.10	.2814	.0007*
4	W8	3.524	3.875	1.37	1.47	−0.508	−0.377	−0.13	0.56	1.11	0.19	0.35	.0257*	.3103	>.05
4	W6	4.032	4.252	1.40	1.73	−0.508	−0.377	−0.13	0.56	1.11	0.19	0.35	.0257*	.3103
5	W10	3.338	3.841	1.11	1.60	−0.187	−0.034	−0.15	0.44	0.93	0.15	0.29	.2358	.9102	>.05
5	W8	3.524	3.875	1.37	1.47	−0.187	−0.034	−0.15	0.44	0.93	0.15	0.29	.2358	.9102
6	W12	3.480	3.590	1.13	1.46	0.142	−0.251	0.39	0.48	0.44	0.16	0.14	.4024	.1042	>.05
6	W10	3.338	3.841	1.11	1.60	0.142	−0.251	0.39	0.48	0.44	0.16	0.14	.4024	.1042
7	W14	3.403	3.351	1.28	1.35	−0.077	−0.239	0.16	0.30	0.60	0.10	0.19	.4716	.2400	>.05
7	W12	3.480	3.590	1.13	1.46	−0.077	−0.239	0.16	0.30	0.60	0.10	0.19	.4716	.2400
8	W16	3.197	3.155	1.55	1.30	−0.207	−0.196	−0.01	0.34	0.11	0.11	0.04	.1027	.0004*	>.05
8	W14	3.403	3.351	1.28	1.35	−0.207	−0.196	−0.01	0.34	0.11	0.11	0.04	.1027	.0004*
9	W18	3.137	3.045	1.61	1.51	−0.060	−0.110	0.05	0.30	0.42	0.10	0.13	.5703	.4257	>.05
9	W16	3.197	3.155	1.55	1.30	−0.060	−0.110	0.05	0.30	0.42	0.10	0.13	.5703	.4257
10	W20	2.861	2.960	1.51	1.57	−0.276	−0.085	−0.19	0.24	0.24	0.08	0.08	.0087*	.2978	>.05
10	W18	3.137	3.045	1.61	1.51	−0.276	−0.085	−0.19	0.24	0.24	0.08	0.08	.0087*	.2978
11	W22	2.847	2.887	1.52	1.81	−0.014	−0.073	0.06	0.29	0.49	0.10	0.16	.8855	.6490	>.05
11	W20	2.861	2.960	1.51	1.57	−0.014	−0.073		0.29	0.49	0.10	0.16	.8855	.6490
12	W24	2.844	2.601	1.63	1.73	−0.002	−0.286	0.28	0.35	0.43	0.12	0.13	.9852	.0626	>.05
12	W22	2.847	2.887	1.52	1.81	−0.002	−0.286		0.35	0.43	0.12	0.13	.9852	.0626
Total	W24	2.844	2.601	1.63	1.73	−2.238	−3.147		1.18	1.06	0.39	0.33	.0004**	.0000**
Total	Pre	5.082	5.748	0.95	1.87	−2.238	−3.147		1.18	1.06	0.39	0.33	.0004**	.0000**

W indicates week; SD, standard deviation; SEM, standard mean error; C, comparator group; I, intervention group; C-I, difference between comparison and intervention; P ≥ .05, nonsignificant; P ≤ .05, significant (*); and P ≤ .01, highly significant (**). Each interval defines a period of 2 weeks.