Table 3.
Within-subject effect change between exposure and unexposed situations for two different types of fires: wood pallets and wood pallets with mattresses and electrical cords
| Outcome | Differenceawith pallet fuel | Differenceawith mixed fuel | Welch t-test p-value |
|---|---|---|---|
| LnRHI | −0.1 ± 0.3 | −0.3 ± 0.3 | 0.166 |
| SDNN | −9.3 ± 24.9 | −9.8 ± 22.2 | 0.942 |
| pNN50 | −0.05 ± 0.1 | −0.04 ± 0.1 | 0.879 |
| RMSSD | −14.2 ± 29.8 | −14.1 ± 22.9 | 0.991 |
| LF | 12.8 ± 71.0 | 56.6 ± 74.2 | 0.075 |
| HF | −18.7 ± 71.0 | −15.1 ± 54.7 | 0.857 |
| LF/HF | 0.2 ± 0.7 | 0.5 ± 1.0 | 0.174 |
| SP | −8.2 ± 12.4 | 1.6 ± 11.8 | 0.013 |
| DP | −3.3 ± 7.2 | 3.9 ± 10.5 | 0.012 |
| AI.75 | 2.9 ± 7.8 | 1.6 ± 9,1 | 0.614 |
| BL.HR | 6.2 ± 6.7 | 8.1 ± 7.8 | 0.400 |
LnRHI natural logarithm of the reactive hyperemia index, SDNN standard deviation of all NN intervals, pNN50 proportion of successive NN intervals differing by more than 50 milliseconds divided by total number of NN intervals, RMSSD square root of the mean squared differences of successive NN intervals, LF power in low frequency range (0.04–0.15 Hz) in ms2, HF power in high frequency range (0.15–0.4 Hz) in ms2, LF/HF ratio LF(ms2)/HF(ms2), SP systolic blood pressure (mmHg), DP diastolic blood pressure (mmHg), AI.75 augmentation index corrected for 75 bpm, HR baseline heart rate (bpm). Values are mean ± SD
aAverage difference between the exposed and unexposed situations within each subject