Table 2.
Home Blood Pressure (Primary Outcome) and Home Heart Rate (Secondary Outcome) Data at Baseline/Run-in and at 2-Week Follow-up for the Supplemental Oxygen and Air (Sham) Arms
| Oxygen |
Air |
Difference in Mean Change, Oxygen vs. Air (95% CI) | P Value | |||
|---|---|---|---|---|---|---|
| Baseline/Run-In | Follow-Up | Baseline/Run-in | Follow-up | |||
| Systolic BP, mm Hg | 129.6 ± 15.1 | 129.8 ± 13.6 | 129.2 ± 14.1 | 136.1 ± 14.9 | −6.6 (−11.3 to −1.9) | 0.008 |
| Diastolic BP, mm Hg | 79.3 ± 8.0 | 81.6 ± 8.0 | 78.3 ± 7.8 | 85.3 ± 9.6 | −4.6 (−7.8 to −1.5) | 0.006 |
| Heart rate, beats/min | 61.9 ± 9.4 | 64.1 ± 9.1 | 61.7 ± 8.3 | 64.9 ± 8.9 | −1.0 (−3.9 to +1.9) | 0.50 |
Definition of abbreviations: BP = blood pressure; CI = confidence interval.
Baseline/run-in and follow-up data are displayed as means ± SD. P values and 95% CIs were calculated using paired t tests. P < 0.05 highlighted in boldface.