SDNN | HF | LF | LF/HF | |||||||
---|---|---|---|---|---|---|---|---|---|---|
n | IQR | β | p-value | β | p-value | β | p-value | β | p-value | |
PM2.5 (μ g/m3) Ozone (ppm) | ||||||||||
5-min | 3292 | 9.82 | 0.96 | 0.06 | 2.41 | 0.08 | 0.84 | 0.47 | −1.77 | 0.08 |
65.2 | −0.55 | 0.50 | −3.82 | 0.07 | −2.33 | 0.20 | 1.88 | 0.25 | ||
30-min | 3118 | 10.5 | 1.21 | 0.20 | 6.82 | 0.005† | 2.41 | 0.22 | −4.09 | 0.01† |
66.4 | −4.51 | 0.001† | −7.81 | 0.02† | −8.65 | 0.003† | −0.81 | 0.75 | ||
60-min | 2917 | 8.72 | 1.80 | 0.06 | 7.66 | 0.002† | 4.15 | 0.03† | −3.16 | 0.06 |
73.5 | −6.97 | 0.0003† | −13.59 | 0.003† | −11.63 | 0.002† | 1.98 | 0.58 | ||
90-min | 2711 | 8.34 | 2.29 | 0.03† | 8.13 | 0.003† | 6.53 | 0.003† | −1.49 | 0.42 |
65.0 | −6.35 | 0.002† | −14.64 | 0.002† | −15.66 | 0.0001† | −1.03 | 0.78 | ||
PM2.5 (μ g/m3) CO (ppm) | ||||||||||
5-min | 3240 | 9.82 | 1.02 | 0.049† | 2.37 | 0.08 | 0.83 | 0.47 | −1.73 | 0.09 |
7.60 | −1.32 | 0.09 | −1.79 | 0.37 | −2.45 | 0.15 | −1.16 | 0.45 | ||
30-min | 3086 | 10.5 | 1.17 | 0.22 | 6.28 | 0.01† | 2.14 | 0.28 | −3.84 | 0.02† |
10.2 | −2.66 | 0.08 | 9.16 | 0.02† | −1.52 | 0.63 | −9.51 | 0.0003† | ||
60-min | 2891 | 8.72 | 1.45 | 0.14 | 6.49 | 0.009† | 3.55 | 0.08 | −2.69 | 0.11 |
10.5 | −1.77 | 0.32 | 5.81 | 0.20 | −2.38 | 0.50 | −7.75 | 0.01† | ||
90-min | 2685 | 8.34 | 1.83 | 0.09 | 6.94 | 0.01† | 5.65 | 0.01† | −1.17 | 0.53 |
9.35 | −0.59 | 0.74 | 4.87 | 0.27 | −1.34 | 0.70 | −6.19 | 0.04† | ||
PM2.5 (μ g/m3) NO2 (ppb) | ||||||||||
5-min | 3292 | 9.82 | 1.08 | 0.04† | 2.30 | 0.09 | 0.97 | 0.40 | −1.53 | 0.13 |
114 | −2.06 | 0.004† | 0.54 | 0.77 | −2.68 | 0.09 | −3.41 | 0.01† | ||
30-min | 3118 | 10.5 | 1.36 | 0.15 | 6.61 | 0.007† | 2.56 | 0.20 | −3.76 | 0.02† |
137 | −2.29 | 0.05† | 4.02 | 0.19 | −1.82 | 0.46 | −5.52 | 0.007† | ||
60-min | 2917 | 8.72 | 1.75 | 0.07 | 7.32 | 0.003† | 4.01 | 0.04† | −2.98 | 0.07 |
155 | −2.07 | 0.16 | 4.54 | 0.23 | −1.34 | 0.65 | −5.59 | 0.03† | ||
90-min | 2711 | 8.34 | 1.98 | 0.06 | 7.38 | 0.006† | 5.71 | 0.009† | −1.54 | 0.40 |
156 | −1.06 | 0.53 | 4.71 | 0.26 | −0.19 | 0.96 | −4.89 | 0.09 |