Statistical table
| Location | Data structure | Type of test | Confidence interval |
|---|---|---|---|
| a (Fig. 2C) | HbO2 GOF values but not HbO2 peak values are normally distributed | Spearman’s ρ | −0.03 to 0.86 |
| b (Fig. 2D) | N3P3 PC weights but not N3P3 amplitudes are normally distributed | Spearman’s ρ | 0.39–0.98 |
| c | HbO2 GOF values and N3P3 PC weights are both normally distributed | Pearson’s r | 0.15–0.96 |
| d | HbO2 GOF values but not N2P2 PC weights are normally distributed | Spearman’s ρ | −0.22 to 0.89 |