Parameter | Poisson | Â | NB | Â | ZIP | Â | ZINB | Â |
---|---|---|---|---|---|---|---|---|
 | Estimate (SE) | P-Value | Estimate (SE) | P-Value | Estimate (SE) | P-Value | Estimate (SE) | P-Value |
Age | -0.001 (0.0002) |  < .0001 | -0.001 (0.0004) | 0.0546 | -0.001 (0.0002) | 0.0002 | -0.001 (0.0004) | 0.0561 |
Sex | ||||||||
 Female | 0.03 (0.02) | 0.1086 | 0.03 (0.03) | 0.4651 | 0.02 (0.02) | 0.1247 | 0.03 (0.03) | 0.4414 |
 Male | reference |  | reference |  | reference |  | reference |  |
Health insurance | ||||||||
 Government | 0.32 (0.11) | 0.0045 | 0.32 (0.21) | 0.1228 | 0.26 (0.11) | 0.0215 | 0.26 (0.21) | 0.2129 |
 Medicaid | 0.49 (0.11) |  < .0001 | 0.49 (0.20) | 0.0131 | 0.44 (0.11) |  < .0001 | 0.43 (0.20) | 0.0319 |
 Medicare | 0.46 (0.11) |  < .0001 | 0.46 (0.19) | 0.0189 | 0.41 (0.11) | 0.0001 | 0.40 (0.20) | 0.0445 |
 Private | 0.41 (0.11) | 0.0001 | 0.40 (0.19) | 0.0372 | 0.35 (0.11) | 0.0009 | 0.35 (0.20) | 0.0796 |
 Self-pay | reference |  | reference |  | reference |  | reference |  |
Admission type | ||||||||
 Elective | -0.30 (0.05) |  < .0001 | -0.29 (0.12) | 0.0159 | -0.29 (0.05) |  < .0001 | -0.29 (0.12) | 0.0160 |
 Emergency | -0.17 (0.05) | 0.0011 | -0.16 (0.12) | 0.1649 | -0.16 (0.05) | 0.0025 | -0.16 (0.12) | 0.1667 |
 Urgent | reference |  | reference |  | reference |  | reference |  |
Zero Model | Estimate (SE) | P-Value | Estimate (SE) | P-Value | Estimate (SE) | P-Value | Estimate (SE) | P-Value |
Age | Â | Â | Â | Â | 0.003 (0.004) | 0.5015 | 0.07 (0.13) | 0.5722 |
Sex | ||||||||
 Female |  |  |  |  | -0.09 (0.43) | 0.8437 | 18.10 (4082.56) | 0.9965 |
 Male |  |  |  |  | reference |  | reference |  |
Health insurance | ||||||||
 Government |  |  |  |  | -14.35 (528.33) | 0.9787 | -22.23 (16,904.72) | 0.9990 |
 Medicaid |  |  |  |  | -1.55 (1.23) | 0.2057 | -34.36 (4533.48) | 0.9940 |
 Medicare |  |  |  |  | -1.56 (1.17) | 0.1800 | -37.75 (4039.53) | 0.9925 |
 Private |  |  |  |  | -2.22 (1.19) | 0.0662 | -22.36 (5537.88) | 0.9968 |
 Self-pay |  |  |  |  | reference |  | reference |  |
Admission type | ||||||||
 Elective |  |  |  |  | 12.99 (810.38) | 0.9871 | 1.81 (20,295.23) | 0.9999 |
 Emergency |  |  |  |  | 12.72 (810.38) | 0.9873 | 17.23 (19,158.48) | 0.9993 |
 Urgent |  |  |  |  | reference |  | reference |  |
Pearson Chi-Square (value/degrees of freedom) | 5.3016 | Â | 1.1815 | Â | 4.9001 | Â | 1.1868 | Â |
AIC | 17,675.4989 | Â | 13,134.7955 | Â | 17,560.4274 | Â | 13,150.2305 | Â |
BIC | 17,726.6288 | Â | 13,191.6065 | Â | 17,662.6872 | Â | 13,258.1713 | Â |