Table 2.

The sensitivity of detecting hydatidiform mole by pre-evacuation ultrasound examination or naked eye in histologically confirmed hydatidiform mole (n = 577)

		Number (%)	95%CL
			Lower CL	Upper CL
Ultrasound examination	suspected	149 (25.8%)	22.3%	29.6%
	not suspected	428 (74.2%)	70.5%	77.7%
Naked eye	suspected	349 (60.5%)	56.4%	64.5%
	not suspected	228 (39.5%)	35.5%	43.6%
The combination of ultrasound and naked eye	suspected	117 (20.3%)	17.1%	23.8%
	not suspected	460 (79.7%)	76.2%	82.9%
Ultrasound or naked eye	suspected	381 (66.0%)	62.0%	69.9%
	not suspected	196 (34%)	30.1%	37.9%
Total number, %		577 (100%)