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Table 3 Comparison of VVS subtypes among different genotypes

From: The effects of ALDH2 Glu487Lys polymorphism on vasovagal syncope patients undergoing head-up tilt test supplemented with sublingual nitroglycerin

Type of VVS

ALDH2*1/*1 (n = 101)

ALDH2*2 (n = 98)

P

Negative, n (%)

30 (29.7)

31 (31.6)

0.91

VASIS I (mixed type), n (%)

41 (40.6)

36 (36.7)

VASIS II (cardiac inhibitory type), n (%)

9 (8.9)

11 (11.2)

VASIS III (vascular inhibitory type), n (%)

21 (20.8)

20 (20.4)

  1. VASIS VAsovagal Syncope International Study