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. 2014 May 23;9(5):e98174. doi: 10.1371/journal.pone.0098174

Figure 1. The period of onset of ovarian insufficiency post-ovarian surgery for each patient by age.

Figure 1

A strong correlation was observed between age at the time of surgery and the period of onset of ovarian insufficiency (correlation coefficient:−0.63, Spearman‘s correlation coefficient by rank test).