From: Twin epidemics of new and prevalent hepatitis C infections in Canada: BC Hepatitis Testers Cohort
HCV + ve group | HCV -ve group | ||||
---|---|---|---|---|---|
M24 Seroa | >M24 Serob | Prevalent HCV | All Positives | All Negatives | |
N = 3628 | N = 3436 | N = 48717 | N = 55781 | N = 988381 | |
N (%) | N (%) | N (%) | N (%) | N (%) | |
Age at baselinec | |||||
< 15 | 17 (0.5) | 1 (0.0) | 420 (0.9) | 438 (0.8) | 20289 (2.1) |
15-24 | 962 (26.5) | 410 (11.9) | 2410 (5.0) | 3782 (6.8) | 145326 (14.7) |
25-34 | 1477 (40.7) | 1234 (35.9) | 9907 (20.3) | 12618 (22.6) | 259347 (26.2) |
35-44 | 827 (22.8) | 1106 (32.2) | 16534 (33.9) | 18467 (33.1) | 220626 (22.3) |
45-54 | 275 (7.6) | 522 (15.2) | 13068 (26.8) | 13865 (24.9) | 163134 (16.5) |
≥ 55 | 70 (1.9) | 163 (4.7) | 6378 (13.1) | 6611 (11.9) | 179659 (18.2) |
Median [IQR] | 30 [24-37] | 35 [28-43] | 42 [34-49] | 41 [33-48] | 37 [28-50] |
Age at 1st test | |||||
< 15 | 100 (2.8) | 84 (2.4) | 421 (0.9) | 605 (1.1) | 25860 (2.6) |
15-24 | 1485 (40.9) | 1128 (32.8) | 2422 (5.0) | 5035 (9.0) | 189747 (19.2) |
25-34 | 1225 (33.8) | 1278 (37.2) | 9927 (20.4) | 12430 (22.3) | 261056 (26.4) |
35-44 | 605 (16.7) | 712 (20.7) | 16590 (34.1) | 17907 (32.1) | 208398 (21.1) |
45-54 | 169 (4.7) | 195 (5.7) | 13063 (26.8) | 13427 (24.1) | 147688 (14.9) |
≥ 55 | 44 (1.2) | 39 (1.1) | 6294 (12.9) | 6377 (11.4) | 155632 (15.8) |
Median [IQR] | 26 [20-34] | 28 [22-35] | 42 [34-49] | 40 [32-48] | 35 [26-48] |
Birth year | |||||
< 1945 | 31 (0.9) | 35 (1.0) | 3102 (6.4) | 3168 (5.7) | 95848 (9.7) |
1945-1964 | 776 (21.4) | 1037 (30.2) | 32133 (66.0) | 33946 (60.9) | 310845 (31.5) |
1965-1974 | 1176 (32.4) | 1214 (35.3) | 9493 (19.5) | 11883 (21.3) | 209956 (21.2) |
≥ 1975 | 1645 (45.3) | 1150 (33.5) | 3989 (8.2) | 6784 (12.2) | 371732 (37.6) |
Sex | |||||
Female | 1728 (47.6) | 1380 (40.2) | 16741 (34.4) | 19849 (35.6) | 551952 (55.8) |
Male | 1900 (52.4) | 2056 (59.8) | 31970 (65.6) | 35926 (64.4) | 436287 (44.1) |
Unknown | 0 (0.0) | 0 (0.0) | 6 (0.0) | 6 (0.0) | 142 (0.0) |
Year of diagnosis | |||||
1990-1994 | 85 (2.3) | 4 (0.1) | 3978 (8.2) | 4067 (7.3) | 3913 (0.4) |
1995-1999 | 726 (20.0) | 353 (10.3) | 17936 (36.8) | 19015 (34.1) | 104863 (10.6) |
2000-2004 | 1177 (32.4) | 939 (27.3) | 11733 (24.1) | 13849 (24.8) | 172888 (17.5) |
2005-2009 | 994 (27.4) | 1280 (37.3) | 9130 (18.7) | 11404 (20.4) | 272886 (27.6) |
2010-2013 | 646 (17.8) | 860 (25.0) | 5940 (12.2) | 7446 (13.4) | 433831 (43.9) |
HIV/AIDS at baseline | |||||
Unknown | 3450 (95.1) | 3207 (93.3) | 47568 (97.6) | 54225 (97.2) | 984182 (99.6) |
Yes | 178 (4.9) | 229 (6.7) | 1149 (2.4) | 1556 (2.8) | 4199 (0.4) |
HIV/AIDS (ever) | |||||
Unknown | 3264 (90.0) | 3104 (90.3) | 46257 (95.0) | 52625 (94.3) | 983694 (99.5) |
Yes | 364 (10.0) | 332 (9.7) | 2460 (5.0) | 3156 (5.7) | 4687 (0.5) |
HBV at baseline | |||||
No/Unknown | 3528 (97.2) | 3349 (97.5) | 48197 (98.9) | 55074 (98.7) | 974223 (98.6) |
Yes | 100 (2.8) | 87 (2.5) | 520 (1.1) | 707 (1.3) | 14158 (1.4) |
HBV (ever) | |||||
No/Unknown | 3453 (95.2) | 3326 (96.8) | 46927 (96.3) | 53706 (96.3) | 968459 (98.0) |
Yes | 175 (4.8) | 110 (3.2) | 1790 (3.7) | 2075 (3.7) | 19922 (2.0) |
Active TB at baseline | |||||
No/Unknown | 3621 (99.8) | 3428 (99.8) | 48634 (99.8) | 55683 (99.8) | 986909 (99.9) |
Yes | 7 (0.2) | 8 (0.2) | 83 (0.2) | 98 (0.2) | 1472 (0.1) |
Active TB (ever) | |||||
No/Unknown | 3611 (99.5) | 3415 (99.4) | 48466 (99.5) | 55492 (99.5) | 986473 (99.8) |
Yes | 17 (0.5) | 21 (0.6) | 251 (0.5) | 289 (0.5) | 1908 (0.2) |
Material deprivation quintile at baseline | |||||
Unknown | 96 (2.7) | 79 (2.3) | 2316 (4.8) | 2491 (4.5) | 14773 (1.5) |
Q1 (most privileged) | 452 (12.5) | 444 (12.9) | 6247 (12.8) | 7143 (12.8) | 214007 (21.7) |
Q2 | 526 (14.5) | 463 (13.5) | 7500 (15.4) | 8489 (15.2) | 187587 (19) |
Q3 | 531 (14.6) | 585 (17.0) | 8522 (17.5) | 9638 (17.3) | 192265 (19.5) |
Q4 | 876 (24.2) | 774 (22.5) | 10580 (21.7) | 12230 (21.9) | 197116 (19.9) |
Q5 (most deprived) | 1147 (31.6) | 1091 (31.8) | 13552 (27.8) | 15790 (28.3) | 182633 (18.5) |
Social deprivation quintile at baseline | |||||
Unknown | 96 (2.7) | 79 (2.3) | 2316 (4.8) | 2491 (4.5) | 14773 (1.5) |
Q1 (most privileged) | 271 (7.5) | 283 (8.2) | 5302 (10.9) | 5856 (10.5) | 180214 (18.2) |
Q2 | 349 (9.6) | 337 (9.8) | 6194 (12.7) | 6880 (12.3) | 175098 (17.7) |
Q3 | 540 (14.9) | 463 (13.5) | 8094 (16.6) | 9097 (16.3) | 175715 (17.8) |
Q4 | 703 (19.4) | 720 (21.0) | 9972 (20.5) | 11395 (20.4) | 201551 (20.4) |
Q5 (most deprived) | 1669 (46.0) | 1554 (45.2) | 16839 (34.6) | 20062 (36) | 241030 (24.4) |
Mental health at baselined | |||||
No/Unknown | 2199 (64.5) | 2096 (65.0) | 40934 (86.7) | 45229 (84.0) | 729398 (88.0) |
Yes | 1209 (35.5) | 1130 (35.0) | 6297 (13.3) | 8636 (16.0) | 99054 (12.0) |
Mental health 3yrs pre-baselined | |||||
No/Unknown | 2590 (76.0) | 2653 (82.2) | 43518 (92.1) | 48761 (90.5) | 781042 (94.3) |
Yes | 818 (24.0) | 573 (17.8) | 3713 (7.9) | 5104 (9.5) | 47410 (5.7) |
Illicit drug use at baselined | |||||
No/Unknown | 910 (26.7) | 942 (29.2) | 33036 (69.9) | 34888 (64.8) | 770499 (93.0) |
Yes | 2498 (73.3) | 2284 (70.8) | 14195 (30.1) | 18977 (35.2) | 57953 (7.0) |
Illicit drug use 3yrs pre-baselined | |||||
No/Unknown | 1084 (31.8) | 1433 (44.4) | 36193 (76.6) | 38710 (71.9) | 795325 (96.0) |
Yes | 2324 (68.2) | 1793 (55.6) | 11038 (23.4) | 15155 (28.1) | 33127 (4.0) |
Problematic alcohol use at baselined | |||||
No/Unknown | 2083 (61.1) | 1896 (58.8) | 38178 (80.8) | 42157 (78.3) | 777271 (93.8) |
Yes | 1325 (38.9) | 1330 (41.2) | 9053 (19.2) | 11708 (21.7) | 51181 (6.2) |
Problematic alcohol use 3yrs pre-baselined | |||||
No/Unknown | 2521 (74.0) | 2555 (79.2) | 41709 (88.3) | 46785 (86.9) | 802492 (96.9) |
Yes | 887 (26.0) | 671 (20.8) | 5522 (11.7) | 7080 (13.1) | 25960 (3.1) |