Table 2.
Pearson correlation coefficient (CC) results (parametric test). Statistical significance was set at P < 0.05.
| Relationship | Pearson CC | P value |
|---|---|---|
| MD/Ht | −0.18 | 0.04 |
| PSD/Ht | 0.29 | 0.03 |
| MD/SpO2 | −0.08 | NS |
| PSD/SpO2 | −0.31 | 0. 02 |
| MD/FEV1 | −0.68 | 0.001 |
| PSD/FEV1 | 0.71 | 0.001 |
| MD/FVC | −0.45 | 0.005 |
| PSD/FVC | 0.63 | 0.003 |
MD: mean deviation. Ht%: hematocrit. PSD: pattern standard deviation. SpO2%: oxyhemoglobin saturation. FEV1%: forced expiratory volume in one second. FVC%: forced vital capacity. NS: not statistically significant.