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. 2026 Sep 9;20:1919198. doi: 10.3389/fnins.2026.1919198

TABLE 3.

Weather main effects of key objective indicators (Friedman test).

Indicator Clear (M ± SD) Rain (M ± SD) Snow (M ± SD) Fog (M ± SD) x2 Kendall’s W pFDR
Speed mean 13.28 ± 1.90 12.56 ± 2.50 12.49 ± 2.70 11.57 ± 1.66 12.28 0.136 0.006**
Speed SD 0.51 ± 0.14 0.49 ± 0.25 0.56 ± 0.29 0.41 ± 0.15 11.96 0.133 0.008**
RMS acceleration 0.22 ± 0.07 0.23 ± 0.13 0.26 ± 0.15 0.18 ± 0.06 10.36 0.115 0.016*
Steering SD 0.0078 ± 0.0023 0.0066 ± 0.0038 0.0072 ± 0.0039 0.0056 ± 0.0037 11.24 0.125 0.010*
Lateral offset 19.75 ± 12.88 31.25 ± 18.54 29.62 ± 14.25 31.42 ± 17.93 6.76 0.075 0.080
HR mean 120.29 ± 26.92 132.62 ± 34.20 127.66 ± 33.06 123.43 ± 32.25 10.48 0.116 0.015*
C4 spectral Ent. 0.53 ± 0.12 0.57 ± 0.11 0.57 ± 0.11 0.56 ± 0.10 7.16 0.080 0.067
CORF Pred. Ent. 0.62 ± 0.13 0.70 ± 0.15 0.75 ± 0.09 0.73 ± 0.15 18.92 0.210 < 0.001***

Bold values indicate statistical significance after FDR correction (pFDR < 0.05).

*pFDR < 0.05,

**pFDR < 0.01,

***pFDR < 0.001.