Table 1. Subject Demographics and Baseline Autonomic Function

Patients Controls
Age, y 43±3 38±4
Sex, M/F 4 M/12 F 2 M/12 F
Body mass index, kg/m2 24.7±1.0 24.2±0.7
Maximum-minimum heart rate during deep breathing, bpm 22.1±2.7 25.1±2.5
Valsalva ratio 1.81±0.11 1.88±0.12
Minimum heart rate during Valsalva, bpm 62±4 53±21
Maximum heart rate during Valsalva, bpm 106±5 98±4

1 P<=0.05.