Table 1.

Baseline Characteristics of the Patients

	The Responders (n = 69)	The Nonresponders (n = 5)
Mean age ± SD (years)	24 ± 1.9	23.8 ± 1
Male	24 (35%)	2 (40%)
No. of syncopes in last 2 years	3 (3–8)	4 (3–4)
(median; min, max)
Baseline minimal systolic blood	62.7 ± 9.7	67 ± 2.7
pressure during test (mmHg)
Baseline minimal heart	50.2 ± 9.5	44.4 ± 9.5
rate during test (bpm)
Response to baseline tilt test
Vasodepressor or mixed	63	5
Cardioinhibitory	6	0