Table 3.

Characteristics of the mean deviation (MD) and pattern standard deviation (PSD) before and after treatment

	n	Mean deviation				Pattern standard deviation
		Mean	SD	Min	Max	Mean	SD	Min	Max
Baseline	20	− 6.54	3.30	− 1.25	− 11.81	6.18	3.65	1.52	12.47
1 month	20	− 6.62	4.73	− 0.97	− 20.03	5.90	3.31	1.84	11.54
3 months	20	− 6.60	4.99	− 0.48	− 22.13	6.13	3.44	1.34	12.30
6 months	20	− 7.41	4.85	− 2.17	− 21.19	6.31	3.51	2.12	13.25
9 months	20	− 8.20	5.29	− 1.6	− 21.73	6.47	3.69	1.74	12.52
12 months	20	− 8.43	5.06	− 0.83	− 22.01	6.91	3.42	1.85	11.19