Table 3

Comparison of factors influencing resuscitation success rates 1991–95

Variable1991 (n = 51)1992 (n = 60)1993 (n = 57)1994 (n = 59)1995 (n = 61)
Men43 (84%)47 (78%)44 (77%)47 (80%)43 (70%)
Cardiac history35 (69%)29 (48%)31 (54%)38 (64%)30 (49%)
Age (years)
 20–40 2 0 3 4 1
 41–602223182528
 61–742737363032
Place: at home27 (53%)41 (68%)35 (61%)44 (75%)39 (64%)
Rhythm VT/VF28 (55%)34 (57%)32 (56%)34 (58%)35 (57%)
Time from collapse to resuscitation < 4 mins24 (47%)27 (45%)29 (51%)29 (49%)30 (49%)
Ambulance delay time < 8 mins39 (76%)47 (78%)38 (67%)41 (69%)43 (70%)
Bystander resuscitation24 (47%)19 (32%)32 (56%)30 (51%)25 (41%)
Success rate bystander resuscitation4/24 (17%)4/19 (21%)5/32 (16%)7/30 (23%)8/25 (32%)
Witnessed by ambulance nurse3 (6%)7 (12%)2 (4%)5 (8%)9 (15%)
  • p value, not significant for all variables.

  • VT/VF, ventricular tachycardia/ventricular fibrillation.