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Table 3 Median, 25th percentile, 75th percentile, Chi-squared and P-value for first and second eye (with and without ocular comorbidity) pre- and post-operative Catquest-9SF scores (logit scale)

From: The Italian Catquest-9SF cataract questionnaire: translation, validation and application

  First eye Second eye
With comorbidity Without comorbidity With comorbidity Without comorbidity
Pre-operative Catquest-9SF score     
 Median −1.40 −1.22 −1.55 −1.55
 25th percentile −2.24 −2.28 −3.94 −3.23
 75th percentile −0.11 −0.11 −0.11 −0.63
Post-operative Catquest-9SF score     
 Median −5.12 −5.12 −5.12 −5.12
 25th percentile −6.78 −6.78 −6.78 −6.78
 75th percentile −1.64 −3.76 −1.55 −3.63
χ 2 Chi-square 15.39 59.28 14.73 45.46
P-value <0.001 <0.001 <0.001 <0.001