Table 1 Locations of auricular acupoints used in the trial
Auricular acupoints | Locations |
|---|---|
AA group | |
 TF4 | At the apex of the triangular fossa, in the bifurcating point between superior and inferior crura of the antihelix |
 AH6a | At the end of the inferior antihelix crus |
 CO15 | Around the central depression of the cavum conchae |
 AT4 | At the medial side of the antitragus |
 CO18 | In the intertragic notch, at the medial inferior part of the cavum conchae |
SAA group | |
 HX 5 | An area on the helix, between the two feet of the antihelix |
 HX 6 | An area on the helix, between the upper foot of the antihelix and the apex conchae auris |
 HX 7 | An area on the helix, between the apex conchae auris and the helix tubercle |
 HX 8 | An area on the helix, and at the helix tubercle |
 HX 9 | An area on the helix, and below the helix tubercle |