Table III.
Demographic data of blood donations positive for transfusion-transmissible infections in the four largest Serbian transfusion centres, 2005–2017 period.
| NS | BG BTI | BG MMA | NI | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
| N. | (%) | N. | (%) | N. | (%) | N. | (%) | |||
| HBV+ | Gender | Male | 103 | (79) | 521 | (80) | 367 | (95) | 220 | (81) |
| Female | 28 | (21) | 129 | (20) | 20 | (5) | 52 | (19) | ||
| Donor status | New | 118 | (90) | 581 | (89) | 310 | (80) | 154 | (57) | |
| Repeat | 13 | (10) | 69 | (11) | 77 | (20) | 118 | (43) | ||
| Age (years) | 18–29 | 42 | (32) | 200 | (31) | 164 | (42) | 103 | (38) | |
| 30–39 | 23 | (18) | 174 | (27) | 61 | (16) | 68 | (25) | ||
| 40–49 | 35 | (27) | 163 | (25) | 84 | (22) | 60 | (22) | ||
| 50–65 | 31 | (24) | 113 | (17) | 78 | (20) | 41 | (15) | ||
| HCV+ | Gender | Male | 54 | (64) | 332 | (77) | 195 | (90) | 250 | (78) |
| Female | 31 | (36) | 101 | (23) | 21 | (10) | 71 | (22) | ||
| Donor status | New | 63 | (74) | 339 | (78) | 180 | (83) | 151 | (47) | |
| Repeat | 22 | (26) | 94 | (22) | 36 | (17) | 120 | (37) | ||
| Ages (years) | 18–29 | 31 | (36) | 167 | (39) | 139 | (64) | 170 | (53) | |
| 30–39 | 17 | (20) | 133 | (31) | 37 | (17) | 58 | (18) | ||
| 40–49 | 27 | (32) | 82 | (19) | 24 | (11) | 49 | (15) | ||
| 50–65 | 10 | (12) | 51 | (12) | 16 | (7) | 44 | (14) | ||
| HIV+ | Gender | Male | 8 | (80) | 37 | (88) | 7 | (88) | 129 | (83) |
| Female | 2 | (20) | 5 | (12) | 1 | (12) | 26 | (17) | ||
| Donor status | New | 3 | (30) | 24 | (57) | 6 | (75) | 50 | (32) | |
| Repeat | 7 | (70) | 18 | (43) | 2 | (25) | 105 | (68) | ||
| Ages (years) | 18–29 | 4 | (40) | 19 | (45) | 3 | (38) | 68 | (44) | |
| 30–39 | 3 | (30) | 14 | (33) | 1 | (12) | 32 | (21) | ||
| 40–49 | 1 | (10) | 6 | (14) | 4 | (50) | 30 | (19) | ||
| 50–65 | 2 | (20) | 3 | (7) | 0 | (0) | 25 | (16) | ||
| Syphilis | Gender | Male | 39 | (75) | 188 | (76) | 114 | (89) | 189 | (78) |
| Female | 13 | (25) | 58 | (24) | 14 | (11) | 52 | (22) | ||
| Donor status | New | 24 | (46) | 171 | (70) | 82 | (64) | 93 | (39) | |
| Repeat | 28 | (54) | 75 | (30) | 46 | (36) | 148 | (61) | ||
| Ages (years) | 18–29 | 6 | (12) | 53 | (22) | 26 | (20) | 89 | (37) | |
| 30–39 | 16 | (31) | 60 | (24) | 25 | (20) | 52 | (22) | ||
| 40–49 | 15 | (29) | 51 | (21) | 32 | (25) | 48 | (20) | ||
| 50–65 | 15 | (29) | 82 | (33) | 45 | (35) | 52 | (22) | ||
| TTIs | Gender | Male | 204 | (73) | 1,078 | (79) | 683 | (92) | 788 | (80) |
| Female | 74 | (27) | 293 | (21) | 56 | (8) | 201 | (20) | ||
| Donor status | New | 208 | (75) | 1,115 | (81) | 578 | (78) | 448 | (45) | |
| Repeat | 70 | (25) | 256 | (19) | 161 | (22) | 491 | (50) | ||
| Ages (years) | 18–29 | 83 | (30) | 439 | (32) | 332 | (45) | 430 | (43) | |
| 30–39 | 59 | (21) | 381 | (28) | 124 | (17) | 210 | (21) | ||
| 40–49 | 78 | (28) | 302 | (22) | 144 | (19) | 187 | (19) | ||
| 50–65 | 58 | (21) | 247 | (18) | 139 | (19) | 162 | (16) | ||
Data are presented as absolute numbers (N.) and percentage (%) of positive blood donations. Significant difference between transfusion centres (χ2 test):
- HBV+: gender: p<0.001; p<0.001; p<0.001;
- HCV+: gender: p<0.001; donor status: p<0.001; age: p<0.001;
- HIV+: gender: p=0.85; donor status: p=0.004; age: p=0;
- Syphilis+: gender: p=0.2; donor status: p<0.001; age: p<0.001;
- TTIs+: gender: p<0.001; donor status: p<0.001; age: p<0.001.
NS: Blood Transfusion Institute of Vojvodina, Novi Sad; BG BTI: Blood Transfusion Institute of Serbia, Belgrade; BG MMA: Institute for Transfusiology and Haemobiology of the Military Medical Academy, Belgrade; NI: Blood Transfusion Institute, Clinical Centre Niš; HBV: hepatitis B virus; HCV: hepatitis C virus; HIV: human immunodeficiency virus; TTIs: total transfusion-transmissible infections.