[Retracted] Diagnosis of Interventional Transvaginal Maternal Diseases Based on Color Doppler Ultrasound

Table 2

Clinical analysis statistics of Doppler blood flow spectrum morphology of the two groups of patients (cases).

Mass nature	Number of cases	Very low resistance spectrum	Low resistance spectrum	High resistance spectrum	No diastolic spectrum	Reverse diastolic spectrum
Ectopic pregnancy	100	40	26	14	10	10
Pregnancy corpus luteum	100	0	62	38	0	0
	8.347		9.362	10.367	8.953	7.486
	< 0.05		< 0.05	< 0.001	< 0.001	< 0.05