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Table 3 Andersen-Gil Model estimated for patients with COPD.

From: A markov model to evaluate hospital readmission

Variable Estimated model for the first transition Estimated model for the second transition
  Value parameter Pr > |χ 2| Odds Ratio CI 95% Value parameter Pr > |χ 2| Odds Ratio CI 95%
Age -0.00027 0.8311 1.000 0.997 1.002 -0.00283 0.3211 1.003 0.997 1.008
Sex (ref. Female) -0.01819 0.4257 0.982 0.939 1.027 0.00668 0.8992 1.007 0.908 1.116
Anamnesis of Chronic Respiratory Disease 0.09281 <.0001 1.097 1.048 1.149 0.04916 0.3063 1.050 0.956 1.154
COPD in Prime Diagnosis at first admission 0.47950 <.0001 1.615 1.536 1.699 0.17669 0.0004 1.193 1.083 1.315
Diagn. 491.21 (ref. 491.20) 0.17112 <.0001 1.187 1.132 1.244 -0.06166 0.2537 0.940 0.846 1.045
Diagn. 518.81 (ref. 491.20) 0.48090 <.0001 1.618 1.536 1.703 0.24576 <.0001 1.279 1.156 1.414
Charlson index -0.03458 0.0058 0.966 0.943 0.990 -0.03496 0.2311 0.966 0.912 1.023
Infection Lower resp. tract. -0.17754 0.1773 0.837 0.647 1.084 0.56963 0.0075 1.768 1.164 2.684
Heart Failure -0.00233 0.9693 0.998 0.886 1.123 -0.09379 0.4532 0.910 0.713 1.163
Discharge Intensive Care 0.98873 0.0096 2.688 1.271 5.682 1.32490 0.1890 3.762 0.521 27.159
Discharge. Recovery and Rehabilitation 0.28495 0.4546 1.330 0.630 2.806 0.74241 0.4600 2.101 0.293 15.055
Discharge Internal Medicine 0.16840 0.6566 1.183 0.563 2.486 0.97456 0.3313 2.650 0.371 18.932
Discharge Important other 0.00887 0.9813 1.009 0.480 2.120 0.79674 0.4277 2.218 0.310 15.886
Discharge Pneumology 0.21459 0.5698 1.240 0.590 2.608 0.97633 0.3304 2.655 0.372 18.961
Hospital type (ref. U/R Hospital) 0.12407 <.0001 1.132 1.076 1.191 -0.03918 0.5182 0.962 0.854 1.083