Table 2. Demographic characteristics.
are listed summarized for all 507 patients (leftmost column), and separately for each of the contributing cohorts. Numbers and percentages in the first row summarize patients included from each cohort.
| Total | Bonn (GER) | Boston (MA,USA) | Denver (CO,USA) | HGDS (USA) | Memphis (TN,USA) | New York (NY,USA) | SCCS (CH) | ||
|---|---|---|---|---|---|---|---|---|---|
| N (%) | N (%) | N (%) | N (%) | N (%) | N (%) | N (%) | N (%) | ||
| 507 (100) | 12 (2) | 150 (30) | 14 (3) | 62 (12) | 124 (24) | 61 (12) | 84 (17) | ||
|
| |||||||||
| HCV | 1a | 362 (71) | 9 (75) | 120 (80) | 12 (86) | 42 (68) | 95 (77) | 39 (64) | 45 (54) |
| Genotype | 1b | 145 (29) | 3 (25) | 30 (20) | 2 (14) | 20 (32) | 29 (23) | 22 (36) | 39 (46) |
|
| |||||||||
| HIV co-infection | 142 (28) | 3 (25) | 64 (43) | 0 (0) | 50 (81) | 0 (0) | 25 (41) | 0 (0) | |
|
| |||||||||
| Male sex | 310 (61) | 9 (75) | 98 (65) | 12 (86) | 62 (100) | 46 (37) | 41 (67) | 41 (49) | |
|
| |||||||||
| Ethnicity | African | 129 (25) | 0 (0) | 28 (19) | 2 (14) | 9 (15) | 75 (60) | 14 (23) | 2 (2) |
| Caucasian | 321 (63) | 12 (100) | 91 (61) | 12 (86) | 42 (16) | 49 (40) | 38 (62) | 79 (94) | |
| Hispanic | 36 (7) | 0 (0) | 16 (11) | 0 (0) | 10 (68) | 0 (0) | 8 (13) | 2 (2) | |
| Other1 | 21 (4) | 0 (0) | 15 (10) | 0 (0) | 1 (0) | 0 (0) | 1 (2) | 1 (1) | |
|
| |||||||||
| Transmission risk factor | IVDU | 195 (38) | 4 (33) | 76 (51) | 7 (50) | 0 (0) | 57 (46) | 20 (33) | 31 (37) |
| Blood products | 149 (29) | 2 (17) | 13(9) | 0 (0) | 62 (100) | 31 (25) | 16 (26) | 25 (30) | |
| Sexual | 29 (6) | 2 (17) | 11 (7) | 1 (7) | 0 (0) | 9 (7) | 4 (7) | 2 (2) | |
| Other2 | 39 (8) | 0 (0) | 8 (5) | 2 (14) | 0 (0) | 6 (5) | 4 (7) | 19 (23) | |
| Unknown | 95 (19) | 4 (33) | 42 (28) | 4 (29) | 0 (0) | 21 (17) | 17 (28) | 7 (8) | |
Other ethnicities include Asian, Native American and Capeverdian.
Other risk factors include: Tattoo, piercing, occupational infection or needlestick injury, nosocomial infection and intranasal cocaine use. HGDS = Hemophilia growth and development study, SCCS = Swiss HCV Cohort Study.