How Do Patients Understand Safety for Cardiac Implantable Devices? Importance of Postintervention Education

Table 6

Correct responses of patients on safety of medical devices for electromagnetic interference with cardiac implantable electronic devices.

Is it safe to undergo investigation with or treated with....?	Education Group		Group without education; (n:93)	Within education group; p	Between groups; p
	Before education; (n:28)	After education; (n:28)
magnetic resonance imaging	7 (25)	20 (71.4)	55 (59.1)	0.001	0.240
x-ray	6 (21.4)	11 (39.3)	55 (59.1)	0.180	0.064
ultrasonography	6 (21.4)	18 (64.3)	53 (57)	0.004	0.492
computed tomography	4 (14.3)	13 (46.4)	33 (35.5)	0.012	0.296
electrocardiographs	5 (17.9)	22 (78.6)	68 (73.1)	0.001	0.562
TENS (transcutaneous electrical nerve stimulation)	0 (0)	2 (7.1)	14 (15.1)	-	0.279
lithotripsy	2 (7.1)	8 (28.6)	22 (23.7)	0.070	0.597
radiotherapy	2 (7.1)	8 (28.6)	22 (23.7)	0.070	0.597
short wave radiofrequency (diathermy)	0 (0)	3 (10.7)	11 (11.8)	-	0.858
electrical devices of dentist (such as dental drills)	8 (28.6)	12 (42.9)	53 (57)	0.344	0.189
electrocautery	2 (7.1)	6 (21.4)	14 (15.2)	0.289	0.440

p<0.05, for the comparison within the education group.
#p<0.05, for the comparison between groups after education and without education.