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Table 2 Baseline characteristics evolution over the years

From: Temporal trends in the use of targeted temperature management after cardiac arrest and association with outcome: insights from the Paris Sudden Death Expertise Centre

 All2011201220132014201520162017P for trend
N3925339562589594559620662 
Male, n (%)2682 (70%)235 (70%)386 (68%)395 (67%)401 (67%)394 (70%)442 (71%)429 (65%)0.63
Age, mean ± SD62 ± 1562 ± 1462 ± 1562 ± 1562 ± 1661 ± 1563 ± 1562 ± 160.17
Home location, n (%)2365 (58%)206 (60%)341 (60%)338 (57%)342 (57%)338 (60%)392 (63%)408 (61%)0.17
Witnessed, n (%)3504 (90%)320 (94%)502 (89%)516 (88%)534 (90%)489 (87%)543 (88%)600 (90%)0.44
Bystander CPR, n (%)2525 (66%)186 (55%)310 (55%)359 (60%)384 (65%)365 (65%)437 (70%)484 (73%)< 0.001
Initial shockable rhythm, n (%)2215 (50%)130 (38%)256 (45%)273 (46%)298 (50%)251 (45%)289 (46%)287 (43%)0.26
No flow > 3 min*, n (%)1784 (40%)179 (53%)231 (41%)236 (40%)248 (42%)232 (41%)234 (38%)253 (38%)< 0.001
Low flow > 20 min*, n (%)1613 (39%)121 (36%)203 (36%)207 (35%)185 (31%)198 (35%)219 (35%)264 (40%)0.039
Use of epinephrine, n (%)2646 (70%)245 (72%)373 (66%)401 (68%)401 (67%)393 (70%)396 (64%)437 (66%)0.10
First arterial pH, mean ± SD7.2 ± 0.27.2 ± 0.27.2 ± 0.27.2 ± 0.27.2 ± 0.27.2 ± 0.27.2 ± 0.27.2 ± 0.20.49
Post-resuscitation shock, n (%)2149 (56%)253 (74%)388 (69%)338 (57%)270 (45%)305 (54%)318 (51%)277 (42%)< 0.001
Early invasive coronary strategy, n (%)2349 (60%)202 (60%)336 (60%)354 (60%)367 (62%)335 (60%)388 (63%)367 (55%)0.13
Targeted temperature management, n (%)1847 (47%)189 (55%)321 (57%)311 (53%)275 (46%)230 (41%)278 (45%)243 (37%)< 0.001
Survival at ICU discharge, n (%)1106 (26%)70 (20%)153 (27%)181 (30%)188 (32%)161 (29%)176 (28%)177 (26%)0.03
Good neurological prognosis at ICU discharge, n (%)921 (23%)63 (19%)141 (26%)160 (28%)151 (27%)135 (26%)147 (26%)124 (23%)0.76
  1. Values are expressed with proportion (%), mean with standard deviation (SD)
  2. CPR cardiopulmonary resuscitation
  3. *Characteristics were dichotomized according to the median value