变量

Variable

未匹配Unmatched

均值Mean

偏差百分比 %bias

减少绝对偏差 百分比 %reduct

|bias|

t检验

匹配Matched

处理组Treated

对照组Control

t

P > |t|

EPS

U

0.53522

0.2835

35.8

4.8

0

M

0.46631

0.40165

9.2

74.3

1.01

0.315

CR

U

0.90685

1.7206

−81.9

−9.87

0

M

0.96993

0.96653

0.3

99.6

0.06

0.95

LEV

U

0.57246

0.50959

30.8

4.48

0

M

0.5476

0.53675

5.3

82.7

0.56

0.573

TAT

U

0.42765

0.50222

−19.7

−2.82

0.005

M

0.45575

0.43343

5.9

70.1

0.63

0.529

BPS

U

6.1648

4.8554

35.3

5.32

0

M

5.6836

5.7308

−1.3

96.4

−0.12

0.903

NPGR

U

0.02173

−0.38151

13.5

1.78

0.075

M

0.01521

0.11483

−3.3

75.3

−0.41

0.684

IMBR

U

0.18146

0.22701

−6.8

−0.85

0.396

M

0.18598

0.22677

−6.1

10.4

−0.72

0.475

Size

U

21.09

21.75

−9.7

−1.71

0.087

M

20.623

21.055

−6.3

34.6

−0.61

0.542

Age

U

3.0798

3.1716

−32.8

−5.13

0

M

3.0783

3.0813

−1.1

96.8

−0.1

0.918