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

Table V.

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

GIS (n = 48) Sham (n = 45) P -values Relative risk (RR) 95% CI for the RR
Primary outcome, n (%)
 Live birth 16 (33.3) 8 (17.8) 0.117 1.80 (0.84–3.82)
Secondary outcome, n (%)
 Biochemical pregnancy 24 (50) 15 (33) 0.104 1.50 (0.91–2.48)
 Clinical pregnancy 17 (35.4) 12 (26.7) 0.363 1.33 (0.72–2.46)
 Ongoing pregnancy 16 (33.3) 8 (17.8) 0.087 1.88 (0.89–3.95)
 Multiple pregnancy 1 (2.1) 0 (0.0)
 Miscarriage 1 (2.1) 4 (8.9)
 Ectopic pregnancy 1 (2.1) 0 (0.0)
 Termination of pregnancy 0 (0.0) 0 (0.0)

CI, confidence interval; GIS, Gel Infusion Sonography; n, number; PP, per-protocol; RR, relative risk.