[Retracted] Prediction Model for Driver Reaction Time Based on PSO-BP Neural Network Model

Table 2

Correlation analysis between reaction time and HRV characteristic parameters.

	ECG signal		R value	P value
Driver reaction time	Time domain indicators	NNVGR	0.2409420	2.12319e-20
		SDNN	−0.1160284	1.05112e-05
		RMSSD	−0.1265519	1.51584e-06
		SDSD	−0.095468	0.000292
		NN50	−0.0770747	0.003483
		pNN50	0.0827392	0.001707
	Frequency domain indicators	TP	0.1440193	4.2655722e-08
		HF	−0.11478483	1.307569e-05
		LF	0.088763	5.623940e-13
		LF/HF	−0.072569	0.0059548