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