Table 1

Demographics and baseline values in patients and control subjects

Patients (n=10) Controls (n=10)
Age (years)55 (4)55 (4)
Body mass index (kg/m2)25 (1)25 (1)
Vital capacity (% predicted)89 (6)100 (6)
FEV1 (% VC)78 (3)85 (5)
Total lung capacity (% predicted)99 (5)108 (3)
MSNA (bursts/min)43 (4)1-150 30 (5)
MSNA/TA (au)417 (30)1-150 265 (69)
Heart rate (beats/min)64 (2)62 (2)
Mean blood pressure (mm Hg)80 (4)1-150 95 (4)
Respiratory rate (breaths/min)16 (1)14 (1)
Tidal volume (ml)447 (40)423 (62)
Oxygen saturation (%)95.5 (0.3)96.0 (0.5)
Pco 2 (kPa)4.80 (0.13)5.06 (0.13)
  • Values are mean (SEM).

  • 1-150 p < 0.05 v control subjects (pairedt test).

  • au, arbitrary units; FEV1, forced expiratory volume in one second; MSNA, muscle sympathetic nerve activity; Pco 2, partial pressure of carbon dioxide; TA, total activity; VC, vital capacity.