TABLE 3 ] .

Percent Predicted $\stackrel{.}{\text{V}}$o₂peak According to the Presence of SDB and Rate Control Medication Use (β-Blocking Agents or Calcium Channel Antagonists)

SDB Presence	On Rate Control Medications	No Rate Control Medications
SDB, %	58	65
No SDB, %	66	75

See Table 1 legend for expansion of abbreviations.