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.gov website belongs to an official
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Std. Error = standard error; Std. Test Statistic = standard test statistic
| Sample 1-Sample 2 | Test Statistic | Std. Error | Std. Test Statistic | p-value |
| ProCore 22G – Acquire 22G | 8.544 | 8.957 | 0.954 | 0.34 |
| ProCore 22G – Acquire 20G | -24.194 | 8.376 | -2.889 | 0.004 |
| Acquire 22G – ProCore 20G | -15.649 | 8.484 | -1.845 | 0.065 |
