| All | Group A | Group B | Group C | Group D | |||||
---|---|---|---|---|---|---|---|---|---|---|
 | n | % | n | % | n | % | n | % | n | % |
All bystander-witnessed OHCAs | 95,072 | Â | 53,482 | Â | 38,077 | Â | 1,597 | Â | 1,916 | Â |
   1-month survival | 7,722 | 8.1 | 3,608 | 6.7 | 3,642 | 9.6 | 185 | 11.6 | 287 | 15.0 |
   CPC at 1 month |  |  |  |  |  |  |  |  |  |  |
Good performance | 2,754 | 2.9 | 1,026 | 1.9 | 1,562 | 4.1 | 43 | 2.7 | 123 | 6.4 |
Moderate disability | 659 | 0.7 | 317 | 0.6 | 294 | 0.8 | 17 | 1.1 | 31 | 1.6 |
Severe cerebral disability | 1,117 | 1.2 | 560 | 1.0 | 489 | 1.3 | 28 | 1.8 | 40 | 2.1 |
Vegetative status or worse | 3,171 | 3.3 | 1,694 | 3.2 | 1289 | 3.4 | 97 | 6.1 | 91 | 4.7 |
Bystander-witnessed OHCAs with initial VF of cardiac origin | 11,970 | Â | 5,840 | Â | 5,518 | Â | 229 | Â | 383 | Â |
   1-month survival | 2,903 | 24.3 | 1,247 | 21.4 | 1,443 | 26.2 | 74 | 32.3 | 139 | 36.3 |
   CPC at 1 month |  |  |  |  |  |  |  |  |  |  |
Good performance | 1,436 | 12.0 | 524 | 9.0 | 810 | 14.7 | 27 | 11.8 | 75 | 19.6 |
Moderate disability | 297 | 2.5 | 137 | 2.3 | 130 | 2.4 | 10 | 4.4 | 20 | 5.2 |
Severe cerebral disability | 395 | 3.3 | 197 | 3.4 | 173 | 3.1 | 10 | 4.4 | 15 | 3.9 |
Vegetative status or worse | 771 | 6.4 | 387 | 6.6 | 329 | 6.0 | 27 | 11.8 | 28 | 7.3 |