From: PR interval as a predictor of syncope in tilt-up testing in adolescents and young adults
VASIS | Age groups (years) | Total | ||
---|---|---|---|---|
12–15 n = 53 | 16–18 n = 54 | 19–30 n = 35 | 12–30 n = 142 | |
I | 29 (54.72%) | 23 (42.59%) | 15 (42.85%) | 67 (47.18%) |
IIa | 7 (13.21%) | 1 (1.85%) | 2 (5.71%) | 10 (7.04%) |
IIb | 5 (9.43%) | 7 (12.96%) | 4 (11.43%) | 16 (11.27%) |
III | 12 (22.64%) | 23 (42.59%) | 14 (40.00%) | 49 (34.51%) |