Table 2 Results of heterogeneity among included studies

GGO

Advance stage

2

0.291

1

0.0

0.590

Fixed

Early stage

15

231.07

14

93.94

< 0.001

Random

Progress stage

4

144.53

3

97.92

< 0.001

Random

Overall

21

394.99

20

94.93

< 0.001

Random

Consolidation

Advance stage

1

0.0

0

0.0

0.999

Fixed

Early stage

12

151.16

11

92.72

< 0.001

Random

Progress stage

4

81.91

3

96.33

< 0.001

Random

Overall

17

238.65

16

93.29

< 0.001

Random

GGO & Consolidation

Early stage

5

2.65

4

0.0

0.618

Fixed

Progress stage

2

13.07

1

92.35

< 0.001

Random

Overall

7

81.49

6

92.63

< 0.001

Random

CP Pattern

Early stage

5

2.65

4

0.0

0.618

Fixed

Progress stage

2

13.07

1

92.35

< 0.001

Random

Overall

7

81.49

6

92.63

< 0.001

Random

Lymphadenopathy

Advance stage

2

1.45

1

31.21

0.228

Fixed

Early stage

6

18.56

5

73.06

0.002

Random

Progress stage

2

0.11

1

0.0

0.738

Fixed

Overall

10

31.51

9

71.44

< 0.001

Random

Pleural effusion

Advance stage

1

0.0

0

0.0

0.999

Fixed

Early stage

7

14.76

6

59.34

0.022

Random

Progress stage

2

0.01

1

0.0

0.893

Fixed

Overall

10

17.98

9

50.95

0.035

Random

Linear Opacity

Early stage

4

16.53

3

81.85

0.001

Random

Progress stage

3

0.04

2

0.0

0.978

Fixed

Overall

7

103.26

6

94.19

< 0.001

Random

Diagnosis test (CT scan)

Advance stage

2

0.40

1

0.0

0.523

Fixed

Early stage

21

79.62

20

74.88

< 0.001

Random

Progress stage

6

8.97

5

44.29

0.110

Fixed

Overall

29

89.0

28

70.52

< 0.001

Random

Diagnosis test (PCR)

Advance stage

1

0.0

0

0.0

0.999

Fixed

Early stage

6

34.73

5

85.60

< 0.001

Random

Progress stage

5

12.14

4

67.05

0.016

Random

Overall

12

177.27

11

93.79

< 0.001

Random