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. 2015 Oct 13;10(10):e0139879. doi: 10.1371/journal.pone.0139879

Fig 3. The incidence of postoperative delirium predicted by age-specified cutoff score in young-old participants.

Fig 3

(A) Participants who had a MMSE score of less than 18.4 (black bar) have higher incidence of developing postoperative delirium than participants with a MMSE score greater than 18.4 (white bar; P < 0.001, Chi-square test). (B) The incidence of the postoperative delirium in participants with a MMSE score of less than 21.4 (black bar) is higher than participants who had MMSE scores greater than 21.4 (white bar; P = 0.044, Chi-square test).