Table 3.

Results of subgroup analyses of pain score.

	N	Sample size		MD	95% CI		Q value	I 2	P-value
		EG	CG		L	U
Acupoints type
Ear points	2	58	55	−1.99	−2.27	−1.71	0.35	0%	<0.01
WAA points	2	80	77	−1.99	−3.88	−0.10	<0.1	98%	0.04
Meridian points	6	256	256	−1.11	−1.49	−0.73	<0.1	97%	<0.01
Ear points plus WAA points	1	40	40	−0.47	−0.84	−0.10	–	–	0.01
Program length
n ≤ 2 weeks	4	170	170	−0.94	−1.78	−0.09	<0.1	97%	0.03
4 weeks ≥n > 2 weeks	3	139	136	−1.21	−1.75	−0.66	<0.1	97%	<0.01
8 weeks	2	58	55	−1.45	−3.04	0.13	<0.1	94%	0.07
Control group
Zoledronic acid	2	58	55	−1.45	−3.04	0.13	<0.1	94%	0.07
Analgesic drugs	8	304	301	−1.32	−1.80	−0.85	<0.1	97%	<0.01
Nerve block	1	72	72	−1.63	−1.72	−1.54			<0.01