Table 3

Probability of New Events: Univariate Analysis Total Population

Percent per Year (n/N)HR (95% CI)p Value
Previous SCD
 Presence14.2 (19/33)
 Absence1.35 (23/414)11.58 (6.26–21.41)<0.001
Inducibility
 Presence4.5 (22/104)
 Absence1.08 (13/311)4.21 (2.11–8.40)<0.001
Syncope
 Presence2.98 (19/142)
 Absence1.91 (23/305)1.48 (0.80–2.72)0.20
Spontaneous type 1
 Presence2.87 (24/161)
 Absence1.22 (18/286)1.78 (0.95–3.13)0.70
2 time groups variable0.4 (0.19–0.79)0.009
Male2.24 (32/336)1 (0.49–2.00)0.98
Early group
 Previous SCD
  Presence12 (13/20)
  Absence1.61 (17/145)7.56 (3.63–15.73)<0.001
 Inducibility
  Presence4.62 (19/54)
  Absence1.12 (8/101)4.44 (1.94–10.14)<0.001
 Syncope
  Presence3.4 (13/49)
  Absence2.2 (17/111)1.51 (0.73–3.12)0.26
 Spontaneous type 1
  Presence3.08 (19/87)
  Absence2.08 (11/78)1.57 (0.75–3.30)0.24
 2 time groups variable
 Sex
  Male2.61 (24/129)
  Female2.46 (6/36)1.13 (0.46–2.76)0.79
Latter group
 Previous SCD
  Presence23.3 (6/13)
  Absence0.92 (6/269)22.9 (7.38–71.09)<0.001
 Inducibility
  Presence1.85 (3/50)
  Absence1.62 (5/210)2.26 (0.54–9.50)0.26
 Syncope
  Presence2.30 (6/93)
  Absence1.43 (6/189)0.42 (0.51–4.95)0.591
 Spontaneous type 1
  Presence3.21 (7/74)
  Absence1.1 (5/208)1.39 (0.40–4.75)0.60
 2 time groups variable
 Sex
  Male1.57 (8/207)
  Female2.35 (4/75)0.72 (0.22–2.39)0.59

CI = confidence interval; HR = hazard ratio; other abbreviations as in Table 1.