Risk factors associated with postoperative pain after ophthalmic surgery: a prospective study.

Variables that did not reach statistical significance related to average postoperative pain intensity in all measurements in univariate analyses were sex (Mann–Whitney U =5,577; P =0.365), height (Pearson r =−0.007, P =0.918), weight (Pearson r =−0.007, P =0.919), ASA status ( χ 2 =0.748; df =2, P =0.688), education ( χ 2 =4.269, df =2, P =0.118), family income ( χ 2 =2.711, df =2, P =0.258), subjective assessment of personal health ( χ 2 =6.400, df =3, P =0.094), as well as personality dimensions agreeableness (Pearson r =−0.026; P =0.705), conscientiousness (Pearson r =0.106; P =0.116) and emotional stability (Pearson r =−0.131; P =0.051).

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