Table 1.

Outcomes Comparison of Meta-Analyses of Acupuncture's Influence on In Vitro Fertilization Pregnancy Outcomes by Smith et al.¹⁸ and Xie et al.¹⁹

	Acupuncture vs. no treatment		Verum vs. sham acupuncture		Acupuncture vs. all controls
Rates	Smith et al.	Xie et al.	Smith et al.	Xie et al.	Xie et al.
Clinical pregnancy	N = 12, n = 2230	N = 17, n = 3084	N = 9, n = 2901	N = 11, n = 3060	N = 27, n = 6116
	RR: 1.32	RR: 1.28	RR: 1.07	RR: 1.14	RR: 1.21
	(95% CI: 1.07, 1.62)	(95% CI: 1.08, 1.52)	(95% CI: 0.88, 1.30)	(95% CI: 0.94, 1.39)	(95% CI: 1.07, 1.38)
Ongoing pregnancy	N = 6, n = 1144)	—	N = 6, n = 1884	—	—
	RR: 1.42		RR: 0.98
	(95% CI: 1.17, 1.73)		(95% CI: 0.86, 1.13)
Live birth	N = 9, n = 1980	N = 9, n = 1992	N = 6, n = 2465	N = 6, n = 2480	N = 15, n = 4472
	RR: 1.30	RR: 1.26	RR: 1.01	RR: 1.01	RR: 1.14
	(95% CI: 1.00, 1.68)	(95% CI: 0.99, 1.60)	(95% CI: 0.80, 1.28)	(95% CI: 0.80, 1.27)	(95% CI: 0.96, 1.35)
Miscarriage	N = 10, n = 2042	—	N = 7, n = 2698	—	N = 15, n = 1504
	RR: 1.43		RR: 1.15		RR: 1.14
	(95% CI: 1.03, 1.98)		(95% CI: 0.79, 1.67)		(95% CI: 0.93, 1.41)

Data are presented as N = number of trials, n = number of participants, relative risk (RR), and 95% confidence interval (CI).

—, represents no data reported.