Table 2.

Differences in the frequency of declared consent to undergo selected medical procedures depending on (A) value of the Cancer Knowledge Index (CKI) and (B) influence of educational intervention.

A. Potential Agreement (%) Depending on Baseline CKI Value
Medical Procedure	Overall	Low		Medium	High			p *
		(n = 107)		(n = 234)	(n = 122)
Breast Fine Needle Aspiration	81.9	64.5		84.2	92.6			<0.001
Abdominal ultrasonography	98.1	95.3		98.3	100			<0.05
Mammography	88.1	82.2		86.8	95.9			<0.001
Digital Rectal Examination	79.0	61.7		81.2	90.2			<0.001
Colonoscopy	85.7	69.2		88.9	94.3			<0.001
Bronchoscopy	82.3	67.3		84.6	91.0			<0.001
Gastroscopy	85.3	72.0		87.6	92.6			<0.001
Removal of a nevi from the skin	89.8	74.8		92.7	97.5			<0.001
Computed Tomography	98.5	97.2		98.3	100			NS
Surgical procedure with possible artificial anus	47.3	29.0		51.3	55.7			<0.001
B. Potential Agreement (%) Depending on Study Group
Medical Procedure	Intervention			p **	Control			p **
	Initial	Final	Change		Initial	Final	Change
Breast Fine Needle Aspiration	81.2	87.4	6.2	<0.05	82.4	82.8	0.4	NS
Abdominal ultrasonography	98.1	99.0	0.9	NS	98.0	99.2	1.2	NS
Mammography	86.5	92.8	6.3	<0.01	89.5	91.4	1.9	NS
Digital Rectal Examination	76.3	80.7	4.4	NS	81.2	82.0	0.8	NS
Colonoscopy	83.6	86.5	2.9	NS	87.5	87.5	0.0	NS
Bronchoscopy	80.2	84.5	4.3	NS	84.0	84.8	0.8	NS
Gastroscopy	83.6	88.4	4.8	<0.05	86.7	88.3	1.6	NS
Removal of a nevi from the skin	87.4	88.9	1.5	NS	91.8	93.8	2.0	NS
Computed Tomography	98.1	97.6	−0.5	NS	98.8	98.0	−0.8	NS
Surgical procedure with possible artificial anus	44.9	49.3	4.4	NS	49.2	48.4	−0.8	NS

n—number of subjects; NS—not significant; p *—statistical significance in χ² test; p **—statistical significance in McNemar test.