Exact(11)
It is obvious that spatio-temporal data are mixed variable types comprised of continuous spatial variables and an ordered categorical time variable.
Categorical, time to event, and subgroup analyses (<65 and ≥65 year age groups) were conducted.
Categorical time from surgery to metastasis relapse (MR) (primary end point) was retained for the study.
The time of chemoprophylaxis administration was documented as a categorical time or, preferably, according to the precise time, when available.
Survival curves of categorical time to event data were compared with the log-rank test; survival fractions were calculated using the product limit (Kaplan-Meier) method.
Categorical time (i.e. baseline, 12, 24 months) was included as a fixed-effect and random intercepts and slopes were added to allow for repeated measurements over time.
Similar(49)
The other is a composite categorical time-varying variable indicating the work and residential legal status in each year during the migrant's residence in Europe.
Time since menopause and HRT use were treated as categorical time-dependent variables.
Allogeneic HSCT was modeled as a categorical time-dependent covariate, to allow for excess of mortality due to transplant-related causes.
The relationship between the typical value of a parameter and a categorical time-invariant covariate (R) was characterized using: where P1 and Pm are fixed effects parameters, and Im is the indicator variable.
We also evaluated whether laglead modified the odds of high TNF-R2 (categorical) over time and the rate of change of TNF-R2 (continuous) over time, controlling for concurrent blood lead (Table 5).
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