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. 2013 Feb 12;28(4):866–876. doi: 10.1093/humrep/des467

Figure 4.

Figure 4

Relationship between increment in HA (% cells) stimulated by 4-AP and IVF fertilization rate. (A) 4-AP-induced increment in HA (% cells) was significantly correlated to fertilization rate (Rs = 0.18; P = 0.031, n = 145). (B) Expression of these data in four defined groups according to fertilization rate: FR 1 ≤25%, FR2 >25–≤50%, FR3 >50–≤75%, FR4 >75%. Box and whisker plots show the 4-AP-induced increment in HA for the samples from patients in each group. The boxes represent the inter-quartile range and lines within them are the medians. The number in brackets is the sample size. Significance was assessed by one-way ANOVA.