Table 4: Baseline and after sinus carotid massage characteristics of the two subgroups.

Baseline SAP Mean SCM SAP Mean fall SAP Symptomatic subjects OH

Patients no. 16147 (±14)87 (±31)59 (±26)5 (31%)5 (31%)
Controls no. 30144 (±13)106 (±19)38 (±13)1 (3%)3 (10%)
𝑃 ns <0.01<0.05 𝑃 < 0 . 0 1 𝑃 < 0 . 0 1

SAP: systolic arterial pressure in mmHg.
OH: orthostatic hypotension.