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The 2-back task response time and accuracy in oral and nasal breathing conditions across all subjects.
| Parameter | Breathing | Median (IQR) | Z | p |
|---|---|---|---|---|
| Response time (s) | Oral | 0.595 (0.525–0.741) | −0.373 a | 0.709 |
| Nasal | 0.627 (0.527–0.726) | |||
| Accuracy (%) | Oral | 97.44 (94.87–100) | −1.927 b | 0.054 |
| Nasal | 100 (97.44–100) |
p values were estimated at a significance level of 5% using the nonparametric Wilcoxon signed-rank test. IQR, Interquartile Range. a Based on positive ranks. b Based on negative ranks.
