Table 2.

Differences in ICU performance before and after Tele-ICU implementation

Variable	Jul. 2015–Jun. 2016 (n = 893)	Jul. 2018–Jun. 2019 (n = 2896)	p value
Actual ICU mortality, n (%)	76 (8.5)	109 (3.8)	< 0.001
Predicted ICU mortality (%), median [IQR]	1.50 [0.10, 95.10]	1.50 [0.10, 96.60]	0.467
Actual hospital mortality, n (%)	111 (12.4)	222 (7.7)	< 0.001
Predicted hospital mortality (%), median [IQR]	4.20 [0.00, 97.90]	4.20 [0.20, 97.70]	0.673
Actual ICU LOS (days), median [IQR]	1.62 [0.39, 66.54]	1.02 [0.00, 418.06]	< 0.001
Predicted ICU LOS (days), median [IQR]	3.41 [0.23, 12.98]	3.32 [0.11, 14.19]	0.220
Actual hospital LOS (days), median [IQR]	15.02 [0.50, 743.56]	17.01 [0.06, 418.06]	< 0.001
Predicted hospital LOS (days), median [IQR]	11.82 [1.06, 140.51]	11.83 [0.05, 64.74]	0.934

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