Table 5 Parameters and standard errors estimated with the hidden Markov model.
From: Progression of liver cirrhosis to HCC: an application of hidden Markov model
Parameter | Results of model | Â | Â | Â | Â |
|---|---|---|---|---|---|
Transition Intensities (with covariates set at their mean values) | |||||
| 0.0151 (0.0012) | Â | Â | Â | Â |
| 0.0071 (0.0006) | Â | Â | Â | Â |
| 0.0284 (0.0024) | Â | Â | Â | Â |
Probabilities of misclassification (with covariates set at their mean values) | |||||
| 0.0237 (0.0040) | Â | Â | Â | Â |
| 0.1408 (0.0329) | Â | Â | Â | Â |
Covariates | Â | Â | Â | Â | Â |
| Â | Sex | Age class | Charlson Index | Alcohol | HCV |
| 0.7961(0.1377)* | 0.4362(0.1202)* | 0.1858(0.2036) | -1.3280(0.8806) | -0.5330(0.4792) |
| -0.0185(0.1662) | 0.8667(0.1744)* | -0.1982(0.3543) | -0.2327(0.9073) | -0.4910(0.7100) |
| -0.1628(0.1485) | 0.3437(0.1365)* | 0.5391(0.1652)* | 0.2792(0.9727) | -0.0214(0.3018) |
â–²
â–²
â–²
-
â–²Instantaneous probability of transitions between the states (
between LC to HCC; 
between LC to Death; 
between HCC to Death) - * Significant at alpha = 0.05
- (The
are the coefficients which weight the contribution of each variable on the probability of transition between states; the minus sign indicates that probabilities decrease if value of covariate increase, the plus sign indicates an increase in transition probabilities if value of covariate increase)
are the coefficients which weight the contribution of each variable on the probability of transition between states; the minus sign indicates that probabilities decrease if value of covariate increase, the plus sign indicates an increase in transition probabilities if value of covariate increase)