Preliminary Study to Evaluate Three Different Treatments on Stable Chronic Obstructive Pulmonary Disease Patients Based on Markov Model

Figure 2

Nature Course of AECOPD Prognosis. Because AECOPD usually lasts for half a month and a cycle of Markov model in this study is one year, we cannot regard AE as a disease state but only a transient transition in case that the result will be biased. It is also the reference process for calculation.