协变量

未匹配U/匹配M

处理组

控制组

%偏差

t值

p值

Size

Lev

Big4

Bm

Roe

Top1

Dual

Board

Loss

U

M

U

M

U

M

U

M

U

M

U

M

U

M

U

M

U

M

22.207

22.204

0.40085

0.40056

0.05058

0.0503

0.61427

0.6141

0.03836

0.03852

32.02

32.033

0.30536

0.30544

2.1951

2.1952

0.1048

0.10402

22.005

22.214

0.38032

0.40248

0.04087

0.05127

0.59918

0.61404

0.04383

0.03768

33.367

32.318

0.31723

0.30684

2.1914

2.1967

0.08398

0.10783

16.4

−0.8

10.6

−1.0

4.6

−0.5

6.3

0.0

−9.3

1.4

−9.6

−2.0

−2.6

−0.3

1.6

−0.6

7.1

−1.3

11.56

−0.53

7.46

−0.67

3.27

−0.30

4.33

0.02

−6.54

0.92

−6.72

−1.37

−1.80

−0.20

1.12

−0.43

5.02

−0.84

0.000

0.597

0.000

0.503

0.001

0.766

0.000

0.986

0.000

0.359

0.000

0.171

0.072

0.838

0.265

0.669

0.000

0.403