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Contingency tables of GI asymmetry occurrence in diastolic blood pressure in the vasovagal patients’ group. Diastolic blood pressure asymmetry occurrence is marked as 1, absence as 0. Head-up tilt test phases: S1, supine; T1, tilt (initial 3 min); and T2, pre-syncope 3 min.
| S1–T1 | S1–T2 | T1–T2 | ||||||
|---|---|---|---|---|---|---|---|---|
| T1 (1) | T1 (0) | T2 (1) | T2 (0) | T2 (1) | T2 (0) | |||
| S1 (1) | 2 | 0 | S1 (1) | 1 | 1 | T1 (1) | 3 | 6 |
| S1 (0) | 7 | 7 | S1 (0) | 7 | 7 | T1 (0) | 5 | 2 |
