TABLE 1

Cardiac autonomic function

Normal (n = 8)BRS+ (n = 10)BRS− (n = 9)CAN+ (n = 9)
Heart rate (bpm)67 ± 268 ± 273 ± 286 ± 2
Valsalva ratio1.95 ± 0.141.93 ± 0.131.62 ± 0.091.24 ± 0.12
E:I ratio1.45 ± 0.051.41 ± 0.071.34 ± 0.051.07 ± 0.01
Beat-to-beat variation (bts)25 ± 323 ± 322 ± 36 ± 1
SBP fall on standing (mmHg)5 ± 26 ± 26 ± 313 ± 4
30:15 ratio1.36 ± 0.051.38 ± 0.051.24 ± 0.021.06 ± 0.02
BRS (ms/mmHg)16.8 ± 2.016.4 ± 1.47.3 ± 0.74.8 ± 0.6
  • Data are means ± SE. E:I ratio, expiration-to-inspiration ratio.