Critical analysis of ineffective post implantation implantable cardioverter-defibrillator-testing

Table 3 Follow up

		All	Effective SMT	Ineffective SMT	P-value
FU, n (%)		552 (89.3)	530 (96)	22 (100)
FU duration (mo)	Mean (± SD)	21.1 (± 21)	21.5 (± 21)	15.8 (± 21)	P = n.s.
Antiarrhythmica, n (%)
	Amiodarone		122 (23.0)	6 (27)	P = n.s.
	Sotalex		2 (0.4)	0 (0)	P = n.s.
	β-blocker		485 (91.5)	20 (91)	P = n.s.
Events during FU, n (%)			124 (23.4)	2 (9.1)	P = 0.02
	Inadequate therapy		4 (0.8)	2 (9.1)	P = n.s.
	ATP		58 (10.9)	0 (0)
	Shock delivery		36 (6.8)	0 (0)
	ATP and shock delivery		20 (3.8)	0 (0)
	VT ablation		6 (1.1)	0 (0)

FU: Follow up; ATP: Anti tachycardia pacing; n.s.: Not significant.