Table 3

Analysis of the echocardiograms of the patients before, during and after chemotherapy

Clinical characteristicsBefore chemotherapy (Embedded Image±s)During chemotherapy (Embedded Image±s)After chemotherapy (Embedded Image±s)F(B) or χ²P12P13P23
Heart rate
(times/min)
74.017±11.19580.627±13.39181.373±13.312<0.001(B)<0.001<0.0010.963
P-wave time (s)0.107±0.0100.106±0.0130.105±0.0110.193(B)0.6320.1530.875
P-R interphase (s)0.152±0.0200.153±0.0190.151±0.0180.696(B)1.0000.8710.801
QRS complex (s)0.086±0.0100.086±0.0080.086±0.0080.968(B)0.9951.0000.993
Q-T interphase (s)0.399±0.0360.398±0.0400.397±0.0400.891(B)0.9890.9480.989
  • P12, P13 and P23 represent the calculation results of corresponding tests for indicators before and during chemotherapy, before and after chemotherapy, and during and after chemotherapy, respectively.