Table 1.

Patient Demographics and Device Characteristics

Characteristic	Value
Number of patients by gender (%)
Male	25 (49)
Female	26 (51)
Age – years
Median	22
Range	6 – 60
Height – cm
Mean	162
Range	111 – 187
Weight – kg
Mean	66
Range	18.6 – 121
Primary indication for device– number of patients (%)
Sinus node dysfunction	17 (33)
AV node dysfunction	14 (33)
Long QT syndrome	2 (4)
Ventricular tachycardia	15 (30)
Device type – number of patients (%)
Pacemaker	34 (67)
ICD	17 (33)
Pacemaker mode – number of patients (%)
AAI	14 (28)
VVI	24 (47)
VDD	1 (2)
DDD	12 (24)
Device location – number of patients (%)
Left chest	34 (67)
Right chest	7 (14)
Abdomen	8 (16)
Other	2 (4)

Study patient characteristics.

AAI = atrial pacing, atrial sensing, inhibition response; VVI = ventricular pacing, ventricular sensing, inhibition response; VDD = ventricular pacing, atrial and ventricular sensing, inhibition and tracking response; DDD = atrial and ventricular pacing, atrial and ventricular sensing, inhibition and tracking response.