Table 1.

Demographic characteristic at baseline in different groups

Parameter	S-Acu group (HT-7)	M-Acu group (HT-7, GV-20 and SP-6)	N-Acu group (sham point)
Sex
Male	11	9	7
Female	32	34	36
Age(years)	55.42 ± 9.23	51.45 ± 12.10	51.10 ± 11.60
PSQI	14.70 ± 2.99	14.84 ± 2.77	15.21 ± 2.95
AIS	12.40 ± 3.14	13.26 ± 4.21	13.56 ± 4.48
SAS	38.95 ± 3.96	40.19 ± 5.75	38.56 ± 7.40
SDS	36.86 ± 7.01	36.12 ± 6.72	34.70 ± 8.59

PSQI Pittsburgh sleep Quality index, AIS Athens Insomnia Scale, SAS self-rating anxiety scale, SDS self-rating depression scale, S-Acu group single acupoint group, M-Acu group multi-acupoints group, N-Acu group non-acupoint group