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Table 3 Admission allocation (ICU vs. general ward) and in-hospital mortality rates according to different quintiles in every country

From: Intensive care unit capacity and mortality in older adults: a three nations retrospective observational cohort study

Country/quintile (predicted probability) Admission allocation 1 (0–4%) 2 (5–8%) 3 (9–16%) 4 (17–42%) 5 (43–100%) Total
United States, n (% of predicted probability) Ward (% of entire quintile) Actual Admission 2734 (97.61%) 5653 (92.29%) 9923 (88.39%) 7811 (73.97%) 1675 (32.44%) 27,796
In-hospital death 5 (0.18%) 15 (0.27%) 51 (0.51%) 98 (1.25%) 92 (5.49%) 261
ICU (% of entire quintile) Actual Admission 67 (2.39%) 472 (7.71%) 1303 (11.61%) 2749 (26.03%) 3488 (67.56%) 8079
In-hospital death 0 (0%) 16 (3.39%) 70 (5.37%) 264 (9.6%) 770 (22.08%) 1120
Total (% of entire cohort) 2801 (7.81%) 6125 (17.07%) 11,226 (31.29%) 10,560 (29.44%) 5163 (14.39%) 35,875
Australia, n (% of predicted probability) Ward (% of entire quintile) Actual Admission 1473 (99.33%) 3079 (98.88%) 5507 (98.41%) 4700 (97.41%) 968 (85.97%) 15,727
In-hospital death 20 (1.36%) 64 (2.08%) 172 (3.12%) 294 (6.26%) 139 (14.36%) 689
ICU (% of entire quintile) Actual Admission 10 (0.67%) 35 (1.12%) 89 (1.59%) 125 (2.59%) 158 (14.03%) 417
In-hospital death 0 (0%) 6 (17.14%) 13 (14.61%) 20 (16%) 47 (29.75%) 86
Total (% of entire cohort) 1483 (9.19%) 3114 (19.29%) 5596 (34.66%) 4825 (29.89%) 1126 (6.97%) 16,144
Israel, n (% of predicted probability) Ward (% of entire quintile) Actual admission 1682 (99.47%) 1897 (99.11%) 2715 (98.8%) 2559 (97.08%) 1747 (94.03%) 10,600
In-hospital death 24 (1.43%) 24 (1.27%) 57 (2.1%) 147 (5.74%) 473 (27.07%) 725
ICU (% of entire quintile) Actual admission 9 (0.53%) 17 (0.89%) 33 (1.2%) 77 (2.92%) 111 (5.97%) 247
In-hospital death 2 (22.22%) 4 (23.53%) 10 (30.3%) 25 (32.47%) 58 (52.25%) 99
Total (% of entire cohort) 1691 (15.59%) 1914 (17.65%) 2748 (25.33%) 2636 (24.3%) 1858 (17.13%) 10,847
p value (difference between countries in ICU admissions)  < 0.001  < 0.001  < 0.001  < 0.001  < 0.001  < 0.001
  1. Quintiles represent predicted probabilities for admission in an intensive care unit according to the American cohort (see Table 2)