Table 2 Subgroup analyses of the performance of artificial intelligence in the diagnosis mortality in covid-19 patients

All combined

23

0.82(0.69, 0.91)

0.89(0.79, 0.95)

7.60(4.1, 14.1)

0.20(0.11, 0.35)

38.00(18, 81)

0.92

Model

RF

12

0.78(0.75–0.80)

0.81(0.80–0.82)

5.00(3.41–7.33)

0.21(0.12–0.37)

31.59(13.06–76.40)

0.92

XGBoost

5

0.83(0.79–0.86)

0.87(0.86–0.89)

6.02(3.75–9.65)

0.24(0.14–0.41)

29.82(22.72–39.16)

0.91

LR

6

0.80(0.77–0.84)

0.85(0.84–0.85)

4.32(1.74–10.74)

0.31(0.25–0.38)

12.94(3.52–47.51)

0.86

SVM

4

0.94(0.91–0.97)

0.90(0.88–0.91)

9.48(1.64–57.74)

0.11(0.02–0.47)

90.33(9.84–828.9)

0.98

ANN

4

0.91(0.88–0.94)

0.88(0.88–0.89)

4.85(1.31–17.96)

0.14(0.07–0.26)

43.49(16.88-112.07)

0.94

DNN

3

0.70(0.57–0.82)

0.85(0.81–0.88)

4.12(3.07–5.52)

0.37(0.25–0.55)

11.56(6.11–21.86)

0.83

KNN

3

0.91(0.89–0.93)

0.96(0.95–0.97)

24.63(5.49-110.58)

0.12(0.02–0.85)

231.65(15.92-3369.65)

0.98

GBM

2

0.83(0.76–0.88)

0.72(0.69–0.75)

2.86(2.25–3.65)

0.24(0.17–0.34)

11.98(7.7-18.65)

0.50

DT

2

0.89(0.84–0.92)

0.95(0.94–0.97)

13.17(1.38-125.62)

0.12(0-61.10)

112.39(0.4-31797.54)

0.50

Mortality

0–10%

5

0.67(0.31–0.90)

0.97(0.90–0.99)

19.60(11-34.9)

0.34(0.13–0.91)

58.00(35–95)

0.96

10–20%

8

0.72(0.69–0.75)

0.73(0.72–0.74)

3.62(2.76–4.75)

0.41(0.32–0.53)

8.61(6.46–11.47)

0.80

> 20%

10

0.90(0.85–0.94)

0.87(0.80–0.92)

7.10(4.4–11.3)

0.11(0.07–0.19)

63.00(26–151)

0.95

Center

multicenter

14

0.87(0.86–0.88)

0.89(0.88–0.89)

7.54(5.35–10.62)

0.18(0.12–0.26)

52.58(27.35–101.10)

0.93

monocentric

9

0.77(0.75–0.79)

0.87(0.87–0.88)

4.60(3.18–6.64)

0.33(0.25–0.43)

14.85(9.30–23.70)

0.88

People

Asia

10

0.87(0.86–0.88)

0.95(0.95–0.95)

9.59(5.92–15.55)

0.20(0.13–0.31)

56.94(28.76-112.74)

0.94

Non Asia

13

0.52(0.51–0.54)

0.64(0.63–0.65)

3.09(2.08–4.59)

0.26(0.14–0.48)

12.30(3.83–39.45)

0.84

Outcome

In-hospital mortality

17

0.76(0.75–0.78)

0.85(0.85–0.86)

4.14(3.28–5.24)

0.33(0.26–0.40)

14.50(10.28–20.45)

0.85