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Table 2 The number of ECMO cases and in-hospital mortality in different gender, age group, geographic, and economic regions

From: Cross-sectional study for the clinical application of extracorporeal membrane oxygenation in Mainland China, 2018

  All patients VA ECMO VV ECMO P
N Mortality N (%) N Mortality N (%) N Mortality N (%)
Genders
 Male 1346 420 (31.2) 866 278 (32.1) 480 142 (29.6) 0.339
 Female 727 194 (26.7) 493 128 (25.9) 234 66 (28.2) 0.523
Age groups
 < 14 236 72 (30.5) 171 52 (30.4) 65 20 (30.8) 0.957
 14–20 82 28 (34.2) 54 19 (35.2) 28 9 (32.1) 0.783
 21–30 184 48 (26.1) 112 30 (26.8) 72 18 (25.0) 0.788
 31–40 235 59 (25.1) 131 33 (25.2) 104 26 (25.0) 0.973
 41–50 330 87 (26.4) 194 56 (28.9) 136 31 (22.8) 0.218
 51–60 375 115 (30.7) 277 81 (29.2) 98 34 (34.7) 0.314
 61–70 430 131 (30.5) 276 86 (31.2) 154 45 (29.2) 0.675
 > 71 201 74 (36.8) 144 49 (34.0) 57 25 (43.9) 0.193
Geographical area of China
 East China 757 195 (25.8) 506 139 (27.5) 251 56 (22.3) 0.126
 South China 411 156 (37.9) 271 98 (36.2) 140 58 (41.4) 0.297
 North China 358 120 (33.5) 235 77 (32.8) 123 43 (34.9) 0.676
 Central China 275 59 (21.5) 165 37 (22.4) 110 22 (20) 0.631
 Southwest 119 44 (36.9) 59 26 (44.1) 60 18 (27.3) 0.112
 Northwest 91 20 (21.9) 76 16 (21.1) 15 4 (26.7) 0.631
 Northeast 62 20 (32.3) 47 13 (27.7) 15 7 (46.7) 0.170
Economic zones of China
 Southeast coastal area 1471 466 (31.7) 982 310 (31.6) 489 156 (31.9) 0.897
 Central inland area 403 88 (21.8) 249 57 (22.9) 154 31 (20.1) 0.514
 Western remote area 199 60 (30.2) 128 39 (30.5) 71 21 (29.6) 0.896
Different GDP level areas of China
 High 1441 441 (30.6) 961 289 (30.1) 480 152 (31.7) 0.536
 Middle 438 105 (23.9) 279 68 (24.4) 159 37 (23.3) 0.795
 Low 194 68 (35.1) 119 49 (41.2) 75 19 (25.3) 0.024
Total 2073 614 (29.6) 1359 406 (29.9) 714 208 (29.1) 0.725
  1. ECMO extracorporeal membrane oxygenation, VV veno-venous, VA veno-arterial, Non-surv non-survivors, mort in-hospital mortality, Mortality N (%)the number and proportion of the non-survivors; GDP gross domestic product
  2. P value for the comparison of non-survivors of the VA and VV ECMO patients