Table 2 : Estimation of coefficient, 95% confidence interval (C.I), and p-value
from separate models: longitudinal random effects model, Cox survival model,
Weibull survival model, respectively.


Model Covariate Estimate 95% CI p-value

Longitudinal random effect Intercept 22.55 20.96 24.14 < 0.0001
ART treatment $ -4.216 -5.70 -2.74 < 0.0001
HCV@ -2.203 -3.60 -0.81 0.002
Time -0.088 -0.14 -0.04 0.0008
Time*ART treatment 0.089 0.03 0.15 0.005

Cox
survival
ART treatment -1.085 -1.93 -0.24 0.01
HCV 1.89 -0.14 3.92 0.07

Webull
survival
Intercept -9.279 -12.05 -6.51 <0.0001
survival -1.109 -1.94 -0.28 0.013
HCV 1.79 -0.22 3.80 0.094
Scale 0.578 0.42 0.-79 -----

$ ART naïve is the reference group.
@no-HCV is the reference group.

Lim et al.Journal of Medical Statistics and Informatics  2013 1:1DOI : 10.7243/2053-7662-1-1