Syndromes | n | Peak time (s) | Area under the curve (cm2) | gradient (d(dB)/d(t)) | Time of arrival (s) |
Cold dampness | 36 | 43.43 ± 12.57 | 140.26 ± 39.66 | 0.53 ± 0.75 | 28.33 ± 9.32 |
Qi stagnation and blood stasis | 24 | 11.92 ± 6.39 | 416.43 ± 292.07 | 0.43 ± 0.48 | 29.85 ± 5.51 |
t value |
| 8.537 | −3.983 | 0.408 | −0.541 |
P value |
| <0.01 | <0.01 | 0.686 | 0.592 |