Low risk group | Medium risk group | High risk group | |||||||
---|---|---|---|---|---|---|---|---|---|
Jul.2015–Jun.2016 | Jul.2018–Jun.2019 | p value | Jul.2015–Jun.2016 | Jul.2018–Jun.2019 | p value | Jul.2015–Jun.2016 | Jul.2018–Jun.2019 | p value | |
Patient number | 621 | 1874 | 186 | 553 | 86 | 154 | |||
APACHE IV score at ICU admission, median [IQR] | 37 [0, 93] | 40 [6, 98] | < 0.001 | 73 [18, 128] | 76 [24, 127] | 0.044 | 119 [39, 198] | 118.5 [51, 211] | 0.934 |
Post-elective surgery, n (%) | 320 (51.5) | 1189 (63.4) | < 0.001 | 26 (14.0) | 160 (28.9) | < 0.001 | 4 (4.7) | 14 (9.1) | 0.307 |
Intubated, n (%) | 73 (11.8) | 113 (6.0) | < 0.001 | 50 (26.9) | 143 (25.9) | 0.773 | 50 (58.1) | 83 (53.9) | 0.589 |
Actual ICU mortality, n (%) | 3 (0.5) | 4 (0.2) | 0.376 | 22 (11.8) | 32 (5.8) | 0.009* | 51 (59.3) | 43 (27.9) | < 0.001 |
Predicted ICU mortality (%), median [IQR] | 0.90 [0.10, 8.60] | 0.90 [0.10, 8.30] | 0.671 | 9.70 [2.40, 43.30] | 8.80 [1.40, 47.80] | 0.059 | 57.90 [27.70, 95.10] | 52.35 [15.90, 96.60] | 0.014 |
Actual hospital mortality, n (%) | 10 (1.6) | 32 (1.7) | 1 | 38 (20.4) | 71 (12.8) | 0.016 | 63 (73.3) | 68 (44.2) | < 0.001 |
Predicted hospital mortality (%), median [IQR] | 2.30 [0.00, 9.90] | 2.60 [0.20, 9.90] | 0.014 | 20.30 [10.00, 49.90] | 19.00 [10.00, 49.80] | 0.173 | 70.80 [51.40, 97.90] | 68.85 [50.10, 97.70] | 0.037 |
Actual ICU LOS (days), median [IQR] | 0.97 [0.39, 40.65] | 0.91 [0.17, 418.06] | < 0.001 | 4.07 [0.52, 66.54] | 2.91 [0.24, 67.96] | 0.005 | 3.71 [0.41, 41.93] | 6.39 [0.27, 64.04] | 0.002 |
Predicted ICU LOS (days), median [IQR] | 2.73 [0.23, 9.06] | 2.71 [0.11, 8.53] | 0.244 | 5.54 [2.00, 11.40] | 5.29 [1.48, 11.15] | 0.101 | 7.73 [4.48, 12.98] | 8.11 [4.91, 14.19] | 0.479 |
Actual hospital LOS (days), median [IQR] | 14.23 [0.63, 233.04] | 14.02 [0.31, 418.06] | 0.429 | 24.91 [0.66, 202.13] | 24.08 [0.30, 263.13] | 0.889 | 5.76 [0.50, 743.56] | 26.17 [0.27, 222.93] | < 0.001 |
Predicted hospital LOS (days), median [IQR] | 11.52 [1.06, 60.14] | 11.27 [0.05, 34.34] | 0.753 | 12.06 [4.44, 50.55] | 12.65 [4.54, 64.74] | 0.886 | 12.16 [7.58, 140.51] | 13.83 [7.37, 56.23] | 0.277 |