From: Intra-arrest hypothermia during cardiac arrest: a systematic review
Quality of Evidence | Good | ** Castrén, ABCD |  |  |  |  |
 |  | * Castrén, E |  |  |  |  |
 | Fair |  |  |  |  |  |
 | Poor |  |  | * Garrett, A |  |  |
 |  |  |  | ** Garrett, BCD | * Bruel, E |  |
 |  |  |  | ** Callaway, E | * Kämärainen, E |  |
 |  | 1 | 2 | 3 | 4 | 5 |
 |  | Level of Evidence |