Table 1 Demographical and clinical characteristics among HCV control, spontaneous clearance and persistent infection populations
From: CD40 polymorphisms were associated with HCV infection susceptibility among Chinese population
Variables | Group A (%) | Group B (%) | Group C (%) | P |
|---|---|---|---|---|
n = 1513 | n = 496 | n = 768 | ||
Age (years, mean ± SD) | 52.65 ± 13.30 | 51.12 ± 13.82 | 51.89 ± 12.37 | 0.076a |
Gender | Â | Â | Â | 0.130b |
 Male | 603 (39.9) | 194 (39.1) | 273 (35.5) |  |
 Female | 910 (60.1) | 302 (60.9) | 495 (65.5) |  |
ALT (U/L) |  |  |  | < 0.001b |
 < 40 | 1421 (94.9) | 387 (78.2) | 443 (57.8) |  |
 ≥40 | 77 (5.1) | 108 (21.8) | 323 (42.2) |  |
AST (U/L) | Â | Â | Â | Â |
 < 40 | 1422 (95.1) | 394 (80.9) | 454 (60.0) | < 0.001b |
 ≥40 | 74 (4.9) | 93 (19.1) | 303 (40.0) |  |
Route of infection |  |  |  | < 0.001b |
 HD | 553 (36.5) | 91 (18.3) | 76 (9.9) |  |
 IVDU | 181 (12.0) | 138 (27.8) | 140 (18.2) |  |
 PBD | 779 (51.5) | 267 (53.9) | 552 (71.9) |  |
HCV genotypes |  |  |  | < 0.001b |
 1b | – | 42 (26.3) | 223 (46.1) |  |
 Non-1b | – | 118 (73.7) | 261 (53.9) |  |