Table 6.

Percentage of Correctly Answered Items

Group	No Access to the PIL		Access to the PIL		Mean Difference	p
	Percentage of Correctly Answered Items	SD	Percentage of Correctly Answered Items	SD
Questionnaire A
1	76.17	9.04	83.50	10.58	7.33	< 0.001
2	59.38	15.46	84.03	16.61	24.65	< 0.001
3	62.12	17.15	77.54	13.57	15.45	0.002
4	52.43	16.62	83.19	19.37	30.76	< 0.001
Questionnaire B
1	64.42	12.65	87.79	15.69	23.37	< 0.001
2	57.69	11.19	88.11	12.77	30.42	< 0.001
3	54.58	9.92	81.05	13.30	26.47	< 0.001
4	48.99	13.87	75.44	13.28	26.45	< 0.001
Questionnaire C
1	73.61	15.65	88.89	9.56	15.28	< 0.001
2	68.80	12.77	71.74	18.12	2.94	0.436
3	69.26	10.18	83.98	9.34	14.72	< 0.001
4	58.07	15.64	60.93	13.80	2.86	0.258

Abbreviations: PIL, patient information leaflet; SD, standard deviation; p, p-value.