Biomedical Engineering Reference
In-Depth Information
Residuals: Females
t
t
t
t
t
o
t
t
t
o
t
t
o
t
o
t
t
o
o
t
t
o
t
o
o
o
o
o
o
o
o
o
0
1
2
3
4
t (years)
Residuals: Males
o
o
o
o
o
o
o
o
o
o
t
o
o
t
t
o
t
t
t
t
o
t
t
o
t
t
o
t
t
t
t
t
0
1
2
3
4
t (years)
Fig. 2. Residuals: for females (left panel) and males (right panel) for asthma hospital-
izations. Comparing models which did (t) and did not (o) include the MALE(t2:5 yrs)
term, respectively.
+ASPH.sev>0), referring to presence or absence of adverse birth condi-
tions within the same gender, respectively. Fitted means approximated ob-
served event counts very closely within both groups for each model, as was
observed across most covariate patterns.
6. Discussion
Through simulation, we found that the nite-sample performance of the
semi-parametric non-proportional rates model is generally comparable
to that of its proportional rates counterpart; results are not shown for the
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