Table 2.

Clinical outcomes before and after treatment in different groups. AG, acupuncture group including both verum acupuncture and sham acupuncture; VA, verum acupuncture; SA, sham acupuncture group; SAS, self-rating anxiety scale; SDS, self-rating depression scale; WT, waiting list. Pair-t test was applied for comparisons in each group.

Outcome measures	VA1, n=12	VA2, n=14	VA3, n=15	SA, n=13	WT, n=18	AG, n=54
Headache intensity
Mean (95%CI)
Baseline	5.33	5.32	5.80	5.46	5.58	5.49
	(4.46; 6.20)	(4.77; 5.87)	(5.20; 6.40)	(4.52; 6.40)	(5.14; 6.03)	(5.15; 5.83)
End of treatment	3.25	3.57	2.87	4.19	5.53	3.45
	(2.39; 4.11)	(2.83; 4.31)	(2.01; 3.72)	(3.34; 5.04)	(4.69; 6.36)	(3.06; 3.85)
P value	0.003	0.000	0.000	0.083	0.869	0.000
Headache frequency
Mean (95%CI)
Baseline	5.75	7.50	5.73	6.00	4.50	6.26
	(3.89; 7.61)	(5.61; 9.39)	(3.58; 7.88)	(4.04; 7.96)	(3.07; 5.93)	(5.34; 7.18)
End of treatment	3.92	5.93	4.20	6.15	8.17	5.06
	(2.37; 5.46)	(4.38; 7.47)	(2.42; 5.98)	(4.03; 8.27)	(5.81; 10.52)	(4.21; 5.90)
P value	0.014	0.021	0.013	0.895	0.001	0.003
SAS score
Mean (95%CI)
Baseline	44.63	44.86	47.02	47.21	47.10	46.00
	(39.74; 49.51)	(40.36; 49.35)	(41.69; 52.34)	(42.23; 52.20)	(41.92; 52.26)	(43.71; 48.23)
End of treatment	38.13	41.45	37.98	37.37	41.39	38.76
	(31.15; 45.10)	(37.12; 45.78)	(32.61; 43.36)	(33.09; 41.64)	(37.83; 44.94)	(36.36; 41.17)
P value	0.055	0.117	0.005	0.019	0.017	0.000
SDS score
Mean (95%CI)
Baseline	42.13	48.98	44.80	45.06	46.88	45.35
	(35.01; 49.24)	(43.97; 53.99)	(38.22; 51.38)	(39.25; 50.86)	(42.01; 51.74)	(42.51; 48.20)
End of treatment	40.63	42.68	39.15	37.56	41.18	40.01
	(32.17; 49.08)	(37.07; 48.28)	(33.41; 44.89)	(32.06; 43.06)	(36.57; 45.80)	(37.14; 42.88)
P value	0.518	0.040	0.023	0.049	0.066	0.000