组别 | 电生理信号振幅下降<30% | 电生理信号振幅下降30%~50% | 电生理信号振幅下降>50% |
传统组(87条) | 60 (68.97%) | 17 (19.54%) | 10 (11.49%) |
新方法组(70条) | 64 (91.43%) | 5 (7.14%) | 1 (1.43%) |
c2值 | 11.790 | 4.948 | / |
P值 | 0.001 | 0.036 | 0.024 |