Table 5.

Comparison of patients with and without pericardial effusion after cardiac device implantation — procedure-related variables.

Variable	With pericardial effusion (n = 8)	Without pericardial effusion (n = 102)	P
Cardiac device type
DDD	63%; 5/8	53%; 54/102	0.72
VVI	25%; 2/8	26%; 26/102	1.00
ICD	13%; 1/8	20%; 20/102	1.00
CRT	0%; 0/8	2.0%; 2/102	1.00
Number of leads
1	25%; 2/8	42%; 42/102	0.47
2	75%; 6/8	57%; 58/102	0.46
3	0%; 0/8	2.0%; 2/102	1.00
Type/localization of lead
Atrial	75%; 6/8	59%; 60/102	0.47
Ventricular for stimulation	88%; 7/8	78%; 80/102	0.70
Ventricular for defibrillation	13%; 1/8	22%; 22/102	0.70
Manufacturer
Biotronik	63%; 5/8	52%; 53/102	0.70
Medtronic	13%; 1/8	34%; 35/102	0.27
St. Jude Medical	25%; 2/8	14%; 14/102	0.35
Operator			0.52
Operator no. 1	0%; 0/13*	100%; 13/13*
Operator no. 2	0%; 0/11*	100%; 11/11*
Operator no. 3	11%; 3/27*	89%; 24/27*
Operator no. 4	17%; 1/6*	83%; 5/6*
Operator no. 5	7.5%; 4/53*	93%; 49/53*

^*Refers to the number of procedures performed by the given operator;

DDD — dual-chamber pacemaker; CRT — cardiac resynchronization therapy; ICD — implantable cardioverter defibrillator; VVI — ventricular single-chamber pacemaker