Table 1.

The Results of the HUT-isp in Patients with SUO and Control Subjects

	SUO group (n=67)	Control group (n=30)	p value
Positive HUT-isp	56 (83.6%)	10 (33.3%)	< 0.001
at stage 1	4 (7.1%)	2 (20.0%)	NS
stage 2	9 (16.1%)	1 (10.0%)	NS
stage 3	43 (76.8%)	7 (70.0%)	NS
types
vasodepressive	41 (73.2%)	3 (30.0%)	< 0.001
cardioinhibitory	4 (7.1%)	1 (10.0%)	NS
mixed	11 (19.6%)	6 (60.0%)	< 0.001

NS: non-significant