Classic Poisson COM-Poisson
  Estimated Coefficent Standart Error z value Estimated Coefficent Standart Error z value
Intercept Season Dispersion parameter -0.1054 0.2357 -0.4472 0.1437 0.4007 0.3586
  1.6094 0.3333 4.8287* 2.1822 0.8569 2.5466*
  0.84     1.51 [95%CI=(0.70;4.02)]  
Deviance AIC     18.478     26.988  
    68.065     69.382  
Table 1: Estimated regression models for patients with positive culture.