Non-nominal data from each cohort were then pooled at the Project Data Centre in Vancouver, BC.
Non-nominal data from each cohort on a predefined set of demographic, laboratory, and clinical variables were then pooled and analyzed at the Project Data Centre in Vancouver.
Population-based studies using non-nominal data from administrative databases or medical charts have been invaluable in HIV research for determining incidence, prevalence and natural history of specific HIV-related conditions [ 4- 8].
Non-nominal data for deaths from cryptoccocal infection were obtained from BC Vital Statistics, which includes all deaths among BC residents (15 ).
Group comparisons were conducted using nonparametric tests (Mann-Whitney U test; nominal α = 0.05) for continuous data deviating from normal distributions, and chi-square (X2) analyses for nominal data (Fisher's Exact Test to determine significance).
Group comparisons were conducted using nonparametric tests (Mann-Whitney U test) for continuous data deviating from normal distributions and Fisher's Exact Test for nominal data.
Nominal data were analyzed using χ2 test.
Nominal data was compared using Fisher's exact test.
Chi-square test was used for nominal data.
