Although egger’s test did not reach statistical significance (p=0.055), its borderline P-value (approaching the 0.05 threshold), combined with funnel plot asymmetry, indicates that the possibility of ‘selective publication’ cannot be entirely ruled out.
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Effects of different electroacupuncture/ transcutaneous electrical acupoint stimulation parameters on the pregnancy outcomes of in vitro fertilisation-embryo transfer: a systematic review and meta-analysis.
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0.0550
0.0620
The sentences
marginally significantp=0.062
Notably, ‘routine treatment’ (23 trials) and ‘comfort group settings’ (27 trials) showed marginally significant trends (interaction p=0.062 and 0.076, respectively), suggesting these factors might contribute to between-study heterogeneity.
Subgroup analysis revealed that the effect showed an increasing trend with the increase in treatment dosage and reached statistical significance.