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. 2020 Nov 16;2020(4):hoaa054. doi: 10.1093/hropen/hoaa054

Table IV.

Primary and secondary outcome measures; pregnancy outcomes after fresh embryo transfer (ITT analysis).

GIS (n = 60) Sham (n = 52) P-values Relative risk (RR) 95% CI for the RR
Primary outcome, n (%)
 Live birth 16 (26.7) 8 (15.4) 0.147 1.73 (0.81–3.72)
Secondary outcome, n (%)
 Biochemical pregnancy 24 (40.0) 18 (34.6) 0.557 1.16 (0.71–1.88)
 Clinical pregnancy 17 (28.3) 14 (26.9) 0.868 1.05 (0.58–1.92)
 Ongoing pregnancy 16 (26.7) 9 (17.3) 0.236 1.54 (0.74–3.18)
 Multiple pregnancy 1 (1.7) 0 (0.0)
 Miscarriage 1 (1.7) 5 (9.6)
 Ectopic pregnancy 1 (1.7) 0 (0.0)
 Termination of pregnancy 0 (0.0) 1 (1.9)

CI, confidence interval; GIS, Gel Infusion Sonography; ITT, intention-to-treat; n, number; RR, relative risk.