Table 3.
Assessment of match balance for continuous covariates. This includes a comparison of summary statistics by group for unmatched and matched samples. The Kolmogorov Smirnov (KS) test compares covariate distributions across treatment group.
| Cross Clamp Time | Perfusion Time | Euro Score | ||||
|---|---|---|---|---|---|---|
|
| ||||||
| Statistics | LA | Aprotinin | LA | Aprotinin | LA | Aprotinin |
| Unmatched Sample | ||||||
| Mean | 79.7 | 92.1 | 111.4 | 144.6 | 5.3 | 7.0 |
| Median | 72 | 84 | 98 | 139 | 5 | 7 |
| 25th Percentile | 54 | 65 | 75 | 96 | 3 | 4 |
| 75th Percentile | 94 | 118 | 133 | 177 | 7 | 9 |
| Variance Ratio | 0.78 | 1.33 | 1.11 | |||
| KS p-value | 0.001 | 0.001 | 0.001 | |||
|
| ||||||
| Matched Sample | ||||||
| Mean | 83.8 | 85.6 | 123.0 | 124.4 | 6.3 | 6.3 |
| Median | 76 | 80 | 109 | 120 | 6 | 6 |
| 25th Percentile | 60 | 62 | 84 | 84 | 4 | 4 |
| 75th Percentile | 95 | 108 | 145 | 162 | 8 | 8 |
| Variance Ratio | 0.69 | 0.68 | 1.06 | |||
| KS p-value | 0.16 | 0.10 | 0.99 | |||