Table 4. Changes of NF and ML after 1 month TEA, 2 months TEA, 3 months TEA compared to pre-intervention

	T0-T1		T0-T2		T0-T3
	Mean difference	p	Mean difference	p	Mean difference	p
Right NF (mm)	0.67 ± 0.14	0.01	1.77 ± 0.15	0.000	1.90 ± 0.16	0.000
Center NF (mm)	0.65 ± 0.12	0.000	1.22 ± 0.12	0.000	1.4 ± 0.14	0.000
Right ML (mm)	0.47 ± 0.10	0.01	0.97 ± 0.12	0.000	1.07 ± 0.13	0.000
Center ML (mm)	0.40 ± 0.10	0.05	0.85 ± 0.10	0.000	0.92 ± 0.09	0.000