Survivors 284 (48) | Dead 304 (52) | P value | Best CPC 1-2 285 (48) | Best CPC 3-4 286 (49) | P value | |
---|---|---|---|---|---|---|
Cooling method | ||||||
Endovascular | 60 (21) | 58 (19) | 0.60 | 65 (23) | 53 (17) | 0.56 |
Head | 10 (4) | 7 (2) | 0.54 | 6 (2) | 11 (4) | 0.13 |
Surface ice | 43 (15) | 36 (12) | 0.62 | 29 (10) | 50 (17) | 0.01 |
Nasopharyngeal | 7 (2) | 7 (2) | 0.95 | 5 (2) | 9 (3) | 0.18 |
IV | 10 (4) | 10 (3) | 0.94 | 8 (3) | 12 (4) | 0.22 |
IV + endovascular | 51 (18) | 55 (18) | 0.68 | 52 (18) | 54 (18) | 0.38 |
IV + surface air | 5 (2) | 9 (3) | 0.29 | 5 (2) | 9 (3) | 0.18 |
IV + surface ice | 6 (2) | 8 (3) | 0.57 | 6 (2) | 8 (3) | 0.39 |
IV + surface water | 5 (2) | 8 (3) | 0.40 | 11 (4) | 2 (1) | 0.06 |
Surface air | 39 (14) | 65 (21) | 0.05 | 53 (19) | 51 (17) | 0.54 |
Surface water | 30 (11) | 27 (9) | 0.82 | 24 (8) | 33 (11) | 0.11 |
Surface waterbath | 8 (3) | 2 (1) | 0.15 | 8 (3) | 2 (1) | 0.15 |
Other or mixed | 13 (5) | 9 (3) | 0.48 | 13 (5) | 9 (3) | 0.73 |
Invasive cooling | 155 (55) | 160 (53) | 161 (56) | 154 (51) | ||
Noninvasive cooling | 129 (45) | 144 (47) | 0.68 | 124 (44) | 149 (49) | 0.19 |
Out-of-hospital cooling | 25 (9) | 23 (8) | 19 (7) | 29 (10) | ||
In-hospital cooling | 259 (91) | 281 (92) | 0.65 | 266 (93) | 274 (90) | 0.23 |
No IV cooling | 207 (73) | 214 (70) | 203 (71) | 218 (72) | ||
IV cooling alone | 10 (4) | 10 (3) | 8 (3) | 12 (4) | ||
IV+ cooling | 67 (24) | 80 (26) | 0.75 | 74 (26) | 73 (24) | 0.68 |