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Table 1 Baseline demographics for HCV serological groups

From: Mortality among British Columbians testing for hepatitis C antibody

Serological group1 SNR MNR REAC SERO
n (all) 375,752 90,136 29,689 2,834
n (12 month lagging)2 342,325 73,476 27,812 2,408
Person years 1,132,262 216,828 17,780 1,332
Mean age at entry (SD) 41.6 (17.04) 40.6 (15.01) 43.4 (11.48) 34.1 (9.67)
Male (%) 150,178 (44%) 31,457 (43%) 17,780 (64%) 1,332 (55%)
n deaths (%) 12,777 (3.7%) 2,664 (3.6%) 2,705 (9.7%) 119 (4.9%)
  1. Data sources: BCCDC Public Health Microbiology and Reference Laboratory, BC Ministry of Health Services, and BC Vital Statistics Agency.
  2. SNR=single non-reactive; MNR=multiple non-reactive; REAC=reactive at first test; SERO=seroconverter.
  3. 1The serological groups are not mutually exclusive, i.e., over time an individual may fall into more than one group.
  4. 2The N for 12 month lagging accounts for removal of those subjects who were not followed for a minimum of 12 months or who died within 12 months of their first anti-HCV test. Those subjects excluded by 12 month lagging did not form part of the standardized mortality and hazard ratio analyses.