Research Article
Analysis of Differences in ECG Characteristics for Different Types of Drivers under Anxiety
Table 4
Variables and symbols in the experiment.
| | Variable | Symbol |
| | Gender | G | | Age (year) | A | | Driving experience (ten thousand kilometers) | D | | Driving tendency | T | | Emotion | Em | | R wave average peak (uV) | RWAVE | | T wave average peak (uV) | TWAVE | | Q wave average peak absolute value (uV) | Q | | S wave average peak absolute value (uV) | S | | Average heart rate (bpm) | AVHR | | Atrioventricular interval (ms) | AVNN | | Standard deviation of NN intervals for period of interest (ms) | SDNN | | Percent of NN intervals>50 ms (%) | PNN50 | | Root mean square of successive (ms) | RMSSD | | Ratio of ultralow frequency band to very low frequency band | UVLF/VLF | | Ratio of low frequency band to high frequency band | LF/HF | | Total power (ms2) | TP |
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