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Table 3 Differences in patient background and ICU performance before and after Tele-ICU implementation stratified by risk classification

From: An evaluation of the impact of the implementation of the Tele-ICU: a retrospective observational study

 

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

  1. The predicted value was obtained from the APACHE IV score. Patients were stratified by predicted hospital mortality using APACHE IV score. Predicted hospital morality of low, medium, and high risk group is less than 10%, 10–50%, and more than 50%, respectively
  2. APACHE acute physiological and chronic health evaluation, ICU intensive care unit, IQR interquartile range, LOS length of stay, DOV duration of ventilation