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 |