Table 2.
Donor and donation characteristics concerning fainting reactions
| All donations 228 846 (100%) | Donations without fainting 227,131 (99.25%) | Donations with fainting 1715 (0.75%) | |
|---|---|---|---|
| Female | 89,783 (39.2%) | 88 876 (39.1%) | 907 (52.9%) |
| Age (years) | 40 ± 13 | 40 ± 13 | 26 ± 8 |
| Height (cm) | 174 ± 9 | 174 ± 9 | 172 ± 11 |
| Weight (kg) | 79 ± 16 | 79 ± 16 | 69 ± 16 |
| BMI (kg/m2) | 26 ± 4 | 26 ± 4 | 23 ± 3 |
| Blood pressure (mmHg) | 140/85 | 140/85 | 135/82 |
| Body temperature (°C) | 36.6 ± 0.4 | 36.6 ± 0.4 | 36.8 ± 0.4 |
| Ambient temperature (°C) | 12.6 ± 8.9 | 12.6 ± 8.9 | 12.4 ± 9.0 |
| Dew point (°C) | 6.4 ± 6.8 | 6.4 ± 6.8 | 6.4 ± 7.0 |
| Humidity (%) | 69 ± 17 | 69 ± 17 | 70 ± 17 |
| Wind speed (km/h) | 14 ± 9 | 14 ± 9 | 14 ± 9 |
| Atmospheric pressure data (hPa) | 1018 ± 8 | 1018 ± 8 | 1018 ± 9 |
| Sunshine data (%) | 48 ± 45 | 48 ± 45 | 48 ± 45 |
| Blood group | |||
| 0 | 97 095 (42.4%) | 96 368 (42.4%) | 727 (42.5%) |
| A | 93 878 (41.0%) | 93 211 (41.0%) | 667 (38.9%) |
| B | 26 761 (11.7%) | 26 540 (11.7%) | 221 (12.9%) |
| AB | 10 803 (4.7%) | 10 710 (4.7%) | 93 (5.4%) |
| No (valid) data | 309 (0.1%) | 302 (0.1%) | 7 (0.4%) |
| Donation history | |||
| First time | 27 208 (11.9%) | 26 129 (11.5%) | 636 (37.1%) |
| Repeat | 201 592 (88.1%) | 200 956 (88.5%) | 1079 (62.9) |
| No (valid) data donation | 46 (0.0%) | 46 (0.0%) | 0 (0%) |