Table 3.
Blood pressure
| Era of Donation | ||||||
|---|---|---|---|---|---|---|
| N** | Quartile 1 (1963–1974) |
Quartile 2 (1975–1985) |
Quartile 3 (1986–1996) |
Quartile 4 (1997–2007) |
Total | |
| n(%) | ||||||
| Hypertension | ||||||
| No | 591 (93) | 1,633 (95) | 2,036 (94) | 4,081 (92) | 8,341 (93) | |
| Yes | 44 (7) | 82 (5) | 119 (6) | 365 (8) | 610 (7) | |
| SBP* | 8,741 | 114.9 (12.5) | 110.2 (12.0) | 112.3 (13.3) | 116.4 (13.0) | 114.1 (13.1) |
| < 120 | 339 (53) | 1,226 (71) | 1,467 (68) | 2,617 (59) | 5,649 (63) | |
| 120 – 139 | 198 (31) | 370 (22) | 581 (27) | 1,615 (36) | 2,764 (31) | |
| ≥ 140 | 28 (4) | 38 (2) | 77 (4) | 185 (4) | 328 (4) | |
| Unknown | 70 (11) | 81 (5) | 30 (1) | 29 (1) | 210 (2) | |
| DBP* | 8,741 | 72.2 (9.0) | 69.1 (8.9) | 67.2 (9.8) | 67.7 (9.5) | 68.1 (9.5) |
| < 70 | 151 (24) | 705 (41) | 1,139 (53) | 2,464 (55) | 4,459 (50) | |
| 70 – 89 | 392 (62) | 891 (52) | 945 (44) | 1,910 (43) | 4,138 (46) | |
| ≥ 90 | 22 (3) | 38 (2) | 41 (2) | 43 (1) | 144 (2) | |
| Unknown | 70 (11) | 81 (5) | 30 (1) | 29 (1) | 210 (2) | |
| SBP in treated donors* | 230 | 119.8 (5.2) | 115.2 (12.6) | 117.2 (14.1) | 123.5 (13.1) | 122.0 (13.3) |
| < 120 | 4 (67) | 10 (48) | 13 (57) | 59 (33) | 86 (37) | |
| 120 – 139 | 2 (33) | 11 (52) | 7 (30) | 105 (58) | 125 (54) | |
| ≥ 140 | 0 (0) | 0 (0) | 3 (13) | 16 (9) | 19 (8) | |
| DBP in treated donors* | 230 | 78.0 (4.2) | 74.0 (9.4) | 71.0 (9.7) | 72.8 (8.8) | 72.9 (8.9) |
| < 70 | 0 (0) | 6 (29) | 9 (39) | 51 (28) | 66 (29) | |
| 70 – 89 | 6 (100) | 15 (71) | 13 (57) | 125 (69) | 159 (69) | |
| ≥ 90 | 0 (0) | 0 (0) | 1 (4) | 4 (2) | 5 (2) | |
*
Mean (SD)
**
Missing values occurred in systolic and diastolic blood pressure (2.3% overall) but not among donors known to be treated with medication for hypertension.