From: Change in the P300 index – a pilot randomized controlled trial of low-frequency electrical stimulation of acupuncture points in middle-aged men and women
Real (n(%))
Sham (n(%))
Unknown (n(%))
Total (n(%))
p-value
Real
11 (20.00%)
4 (7.27%)
13 (23.64%)
28 (50.91%)
0.68
Sham
12 (21.82%)
7 (12.73%)
8 (14.54%)
27 (49.09%)
Total
23()
11()
21()
55()