Table 5.
Blood pressure, heart rate, and body size.
| Variable | Baseline Visit | 6-Mo Visit | P 2 | ||||
|---|---|---|---|---|---|---|---|
| Controls (n=201) | Donors (n=203) | Controls (n=198) | Donors (n=201) | Controls vs Donors3 | Baseline vs 6 Mo4 | Interaction5 | |
| Heart rate (bpm) | 68.0±9.9 (n=201) | 67.6±10.5 (n=194) | 66.2±10.0 (n=198) | 66.4±10.2 (n=200) | 0.6 | 0.003 | 0.5 |
| Systolic blood pressure (mm Hg) | 117±13 (n=201) | 117±12 (n=198) | 116±12 (n=198) | 115±11 (n=199) | 0.8 | 0.003 | 0.3 |
| Diastolic blood pressure (mm Hg) | 70.4±9.0 (n=201) | 70.3±8.8 (n=198) | 70.0±8.5 (n=198) | 70.3±8.5 (n=199) | 0.9 | 0.6 | 0.5 |
| Body weight (kg) | 77.7±17.1 (n=199) | 77.0±14.8 (n=199) | 78.0±17.3 (n=197) | 76.8±15.2 (n=199) | 0.6 | 0.6 | 0.06 |
| Body mass index (kg/m2) | 26.9±5.1 (n=199) | 26.8±4.2 (n=199) | 27.0±5.3 (n=197) | 26.8±4.3 (n=199) | 0.8 | 0.3 | 0.3 |
| Waist circumference (cm) | 87.3±12.8 (n=181) | 88.0±12.2 (n=175) | 88.0±13.6 (n=179) | 87.2±12.1 (n=181) | 0.7 | 0.9 | 0.02 |
Note: Values are given as mean ± standard deviation (number analyzed). Numbers smaller than 202 reflect missing values.
2
Analysis of variance with repeated measures. Each variable was analyzed separately and no adjustment was made for multiple comparisons.
3
Controls v. donors P-values test overall differences between donors and controls.
4
Baseline v. 6-month P-values test overall differences between baseline (pre-donation) and 6-month visits.
5
Interaction P-values test the interaction between donors v. controls and baseline v. 6-month visits.