Table 3.
Prevalence of anti-HCV among First Time Brazilian Donors in 2007 by Demographics and Blood Center and Results of Logistic Regression Analysis*.
| Number of Donations |
Number of anti- HCV Positive donations |
Prevalence/per 100,000 donations and 95% CI |
Odds Ratios and 95% CI |
|
|---|---|---|---|---|
| Total | 93,690 | 179 | 191 (163-219) | --- |
| Blood Center | ||||
| Recife | 28,345 | 37 | 131 (89-173) | 0.47 (0.32-0.68) |
| Belo Horizonte | 21,825 | 17 | 78 (41-115) | 0.35 (0.21-0.58) |
| Sao Paulo | 43,520 | 125 | 287 (237-337) | 1 |
| Age in Years | ||||
| <25 | 37,307 | 10 | 27 (10-44) | 1 |
| ≥ 25 <35 | 30,732 | 65 | 212 (161-263) | 8.18 (4.20-15.94) |
| ≥ 35 < 45 | 15,719 | 42 | 267 (186-348) | 10.71 (5.36-21.40) |
| ≥ 45 <55 | 7,748 | 45 | 581 (412-750) | 22.97 (11.54-45.71) |
| ≥ 55 | 2,152 | 17 | 790 (416-1164) | 29.72 (13.55-65.19) |
| Gender | ||||
| Female | 36,390 | 65 | 179 (136-222) | 1 |
| Male | 57,300 | 114 | 199 (163-235) | 1.28 (0.94-1.75) |
| Donation Type | ||||
| Community | 48,754 | 111 | 228 (186-270) | 1.70 (1.25-2.32) |
| Replacement | 44,933 | 68 | 151 (115-187) | 1 |
*
93,690 of the 95,168 first time donations have HCV test results confirmed by RIBA; age and donation type missing for a few donations (hence totals by age and donationtype do not add up to 93,690).