Table 2.
Results of the t-test for the comparison between the percentage changes obtained with SPG and NCPG.
| System | Mean of Percentage Change | SD of Percentage Change | t-Value | p-Value |
|---|---|---|---|---|
| SPG | 32.7 | 10.8 | 3.98 | 7.38 × 10−4 |
| NCPG | 15.9 | 8.95 |
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