TABLE 1.
Frequencies and ORs of hepatitis C virus (HCV) test results (by patient characteristics) of the cohort receiving hemodialysis on the implicated brand of machines between December 2003 and June 2004
| Total (n=1286) |
Anti-HCV and/or HCV-PCR |
OR | 95% CI | P | ||
|---|---|---|---|---|---|---|
| Positive (n=69) | Negative (n=1217) | |||||
| Sex, n (%) | ||||||
| Men | 764 (59.4) | 48 (6.3) | 716 (93.7) | 1.00 | – | |
| Women | 522 (40.6) | 21 (4.0) | 501 (96.0) | 0.63 | 0.37–1.06 | 0.08 |
| Mean age ± SD, years | 63.1±15.8 | 52.8±11.9 | 63.7±15.8 | 0.96 | 0.95–0.98 | <0.01 |
| Health authority, n (%) | ||||||
| Interior | 123 (9.6) | 6 (4.9) | 117 (95.1) | 0.97 | 0.39–2.42 | 0.96 |
| Fraser | 520 (40.7) | 26 (5.0) | 494 (95.0) | 1.00 | ||
| Vancouver Coastal | 213 (16.7) | 10 (4.7) | 203 (95.3) | 0.94 | 0.44–1.98 | 0.86 |
| Vancouver Island | 314 (24.6) | 21 (6.7) | 293 (93.3) | 1.36 | 0.75–2.46 | 0.31 |
| Northern | 108 (8.5) | 5 (4.6) | 103 (95.4) | 0.92 | 0.35–2.46 | 0.87 |
| Time on dialysis, n (%) | ||||||
| <2 years | 578 (44.9) | 30 (5.2) | 548 (94.8) | 1.00 | – | – |
| 2–4 years | 576 (44.8) | 32 (5.6) | 544 (94.4) | 1.08 | 0.64–1.79 | 0.78 |
| ≥ 5 years | 132 (10.3) | 7 (5.3) | 125 (94.7) | 1.02 | 0.44–2.38 | 0.96 |
| Transplant, n (%) | ||||||
| Yes | 144 (11.2) | 13 (9.0) | 131 (91.0) | 1.92 | 1.03–3.61 | 0.04 |
| No | 1142 (88.8) | 56 (4.9) | 1086 (95.1) | 1.00 | – | – |
PCR Polymerase chain reaction