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. 2015 Oct 17;74(5):712–717. doi: 10.1016/S1808-8694(15)31381-1

Table 2.

Mean value and SD of PTE before and after the treatment (M - mean; SD - standard deviation).

Groups
1 2 * 3** 4** 5**
Mean 90 42 98 89 91
SD 16,8 7 14 11 15
n 18 10 20 10 10
*

p < 0.001 (group 1 × group 2)

**

p= 0.31 (group 1 × groups 3, 4 and 5)