Table 3.

Statistical evaluation of difference in satisfaction before and after LASIK surgery for each question.

Parameters (Questions)	Friedman test		Parameters (Questions)	Friedman test		Parameters (Questions)	Friedman test
	Chi-Square	P-value		Chi-Square	P-value		Chi-Square	P-value
Q1	43.190	<0.01	Q15	158.414	<0.01	Q29	36.000	<0.01
Q2	146.864	<0.01	Q16	144.477	<0.01	Q30	19.889	<0.01
Q3	45.245	<0.01	Q17	11.000	<0.05	Q31	3.000	>0.05
Q4	45.257	<0.01	Q18	17.831	<0.01	Q32	6.000	>0.05
Q5	42.000	<0.01	Q19	44.604	<0.01	Q33	63.561	<0.01
Q6	33.538	<0.01	Q20	69.667	<0.01	Q34	85.182	<0.01
Q7	36.412	<0.01	Q21	205.545	<0.01	Q35	126.615	<0.01
Q8	37.194	<0.01	Q22	203.351	<0.01	Q36B	No difference	-
Q9	37.000	<0.01	Q23	83.973	<0.01	Q37B	No difference	-
Q10	20.778	<0.01	Q24	6.375	>0.05	Q38B	No difference	-
Q11	180.949	<0.01	Q25	99.800	<0.01	Q39B	No difference	-
Q12	85.431	<0.01	Q26	149.523	<0.01	Q40B	No difference	-
Q13	60.500	<0.01	Q27	215.073	<0.01	Q41B	No difference	-
Q14	66.462	<0.01	Q28	29.769	<0.01	Q42B	No difference	-