样本匹配 | Ps R2 | LR chi2 | p > chi2 | MeanBias | MedBias | |
近邻匹配 (n = 4) | 匹配前 | 0.054 | 129.590 | 0.000 | 14.500 | 10.300 |
匹配后 | 0.008 | 75.940 | 0.000 | 4.800 | 4.300 | |
近邻卡尺匹配 (n = 4, cal = 0.01) | 匹配前 | 0.054 | 129.590 | 0.000 | 14.500 | 10.300 |
匹配后 | 0.008 | 77.130 | 0.000 | 4.800 | 4.200 | |
半径匹配 (cal = 0.01) | 匹配前 | 0.054 | 129.590 | 0.000 | 14.500 | 10.300 |
匹配后 | 0.001 | 10.500 | 0.486 | 1.900 | 2.100 | |
核匹配 | 匹配前 | 0.054 | 129.590 | 0.000 | 14.500 | 10.300 |
匹配后 | 0.005 | 51.990 | 0.000 | 4.400 | 2.700 | |
马氏匹配 | 匹配前 | 0.054 | 129.590 | 0.000 | 12.700 | 6.200 |
匹配后 | 0.009 | 87.670 | 0.000 | 4.700 | 4.200 |