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

Table 3 Median, 25^th percentile, 75^th 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)

	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
25^th percentile	−2.24	−2.28	−3.94	−3.23
75^th percentile	−0.11	−0.11	−0.11	−0.63
Post-operative Catquest-9SF score
Median	−5.12	−5.12	−5.12	−5.12
25^th percentile	−6.78	−6.78	−6.78	−6.78
75^th 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

ISSN: 2326-0254