Table 3.
Clinical Outcomes (All and by Year)
| Characteristic, n (%) | All (n=11 465) | 2011 (n=1377) | 2012 (n=1440) | 2013 (n=1736) | 2014 (n=2037) | 2015 (n=2372) | 2016 (n=2503) | P Value |
|---|---|---|---|---|---|---|---|---|
| Outcomes (overall) | ||||||||
| ROSC at scene | 391 (8.1) | 63 (4.6) | 86 (6.0) | 113 (6.5) | 148 (7.3) | 208 (8.8) | 312 (12.5) | <0.001 |
| ROSC at ED | 3210 (28.0) | 374 (27.2) | 400 (27.8) | 509 (29.3) | 593 (29.1) | 684 (28.8) | 650 (26.0) | <0.001 |
| Survival to admission | 2111 (18.4) | 251 (18.2) | 249 (17.3) | 303 (17.5) | 358 (17.6) | 453 (19.1) | 497 (19.9) | 0.175 |
| Survival to discharge | 545 (4.8) | 48 (3.5) | 53 (3.7) | 73 (4.2) | 83 (4.1) | 125 (5.3) | 163 (6.5) | <0.001 |
| Good‐to‐moderate neurological function (of those discharged alive) | 343 (63.4) | 25 (52.1) | 33 (63.5) | 36 (49.3) | 63 (75.9) | 77 (62.1) | 109 (67.7) | 0.007 |
| Outcomes (Utstein) | n=1315 | n=173 | n=172 | n=210 | n=229 | n=241 | n=290 | |
| Utstein survival | 228 (17.3) | 20 (11.6) | 23 (13.4) | 32 (15.2) | 35 (15.3) | 51 (21.2) | 67 (23.1) | 0.006 |
| Good‐to‐moderate neurological function (of those discharged alive) | 152 (66.7) | 12 (60.0) | 14 (60.9) | 18 (56.3) | 24 (68.6) | 35 (68.6) | 49 (73.1) | 0.591 |
| Survival to discharge—sex | n=545 | n=48 | n=53 | n=73 | n=83 | n=125 | n=163 | 0.636 |
| Male | 422 (77.4) | 36 (75.0) | 38 (71.7) | 53 (72.6) | 64 (77.1) | 100 (80.0) | 131 (80.4) | |
| Female | 123 (22.6) | 12 (25.0) | 15 (28.3) | 20 (27.4) | 19 (22.9) | 25 (20.0) | 32 (19.6) | |
| Survival to discharge—initial arrest rhythm | 0.621 | |||||||
| Nonshockable rhythm | 174 (31.9) | 12 (25.0) | 15 (28.3) | 25 (34.2) | 21 (25.3) | 48 (38.4) | 53 (32.5) | |
| Shockable rhythm | 357 (65.5) | 35 (72.9) | 37 (69.8) | 47 (64.4) | 58 (69.9) | 75 (60.0) | 105 (64.4) | |
| Missing | 14 (2.6) | 1 (2.1) | 1 (1.9) | 1 (1.4) | 4 (4.8) | 2 (1.6) | 5 (3.1) | |
ED indicates emergency department; and ROSC, return of spontaneous circulation.