Table 5.
Differences in patient background and ICU performance of mechanically ventilated patients in the 1st and 2nd years after Tele-ICU implementation
| Variable | 1st year | 2nd year | p value |
|---|---|---|---|
| Patient number | 624 | 689 | |
| Age (years), median [IQR] | 72.5 [20, 90] | 72.0 [16, 90] | 0.314 |
| Male, n (%) | 375 (60.1) | 460 (66.8) | 0.014 |
| APACHE IV score at ICU admission, median [IQR] | 75 [7, 211] | 79 [8, 207] | 0.033 |
| Post-elective surgery, n (%) | 261 (41.9) | 304 (44.8) | 0.288 |
| Intubated, n (%) | 330 (52.9) | 482 (70.0) | < 0.001 |
| Actual ICU mortality, n (%) | 73 (11.7) | 65 (9.4) | 0.207 |
| Predicted ICU mortality (%), median [IQR] | 11.00 [0.10, 96.60] | 12.00 [0.10, 97.30] | 0.309 |
| Actual hospital mortality, n (%) | 121 (19.4) | 98 (14.2) | 0.014 |
| Predicted hospital mortality (%), median [IQR] | 15.90 [0.20, 98.50] | 18.80 [0.20, 98.80] | 0.353 |
| Actual ICU LOS (days), median [IQR] | 4.58 [0.04, 115.85] | 3.81 [0.00, 48.54] | 0.277 |
| Predicted ICU LOS (days), median [IQR] | 6.47 [1.08, 14.57] | 6.62 [0.72, 13.23] | 0.192 |
| Actual hospital LOS (days), median [IQR] | 25.38 [0.09, 417.74] | 27.18 [0.03, 333.09] | 0.165 |
| Predicted hospital LOS (days), median [IQR] | 13.72 [4.69, 56.23] | 14.81 [3.36, 64.74] | 0.045 |
| Actual DOV (days), median [IQR] | 3.00 [1.00, 30.00] | 2.00 [1.00, 30.00] | 0.007 |
| Predicted DOV (days), median [IQR] | 3.43 [0.17, 10.77] | 3.71 [0.30, 12.60] | 0.081 |
The predicted value was obtained from the APACHE IV score
APACHE acute physiological and chronic health evaluation, ICU intensive care unit, IQR interquartile range, LOS length of stay, DOV duration of ventilation