Table 3.
Results from the two-part regression model
| TPM Model 1 | TPM Model 2 | TPM Model 3 | TPM Model 4 | |
|---|---|---|---|---|
| Part 1: Odds ratio (OR) | ||||
| Antibiotic resistance | 1.46*** (0.06) | 1.51*** (0.06) | 1.43*** (0.06) | 2.23*** (0.10) |
| Age | 1.01*** (0.00) | 1.01*** (0.00) | 1.01*** (0.00) | 1.01*** (0.00) |
| Female sex | 1.04** (0.01) | 1.02 (0.01) | 1.02 (0.01) | 1.09*** (0.01) |
| Year | 0.97*** (0.00) | 0.97*** (0.00) | 0.97*** (0.00) | 0.97*** (0.00) |
| Charlson index | 0.86*** (0.00) | 0.86*** (0.00) | 0.87*** (0.00) | |
| At least two infections at once | 2.01*** (0.06) | 0.93* (0.03) | ||
| Bloodstream infection | 2.74*** (0.06) | |||
| Pneumonia | 2.75*** (0.06) | |||
| Skin and soft tissue infection | 1.65*** (0.04) | |||
| Urinary tract infection (reference case) | – | |||
| Constant | 2.18e+ 25*** (1.82e+ 26) | 1.10e+ 28*** (9.09e+ 28) | 3.82e+ 28*** (3.17e+ 29) | 2.36e+ 24*** (1.96e+ 25) |
| Part 2: Incidence Rate Ratios (IRR) | ||||
| Antibiotic resistance | 2.01*** (0.14) | 1.88*** (0.14) | 1.85*** (0.14) | 1.84*** (0.15) |
| Age | 1.02*** (0.00) | 1.01*** (0.00) | 1.01*** (0.00) | 1.01*** (0.00) |
| Female sex | 0.88*** (0.02) | 0.89*** (0.02) | 0.89*** (0.02) | 0.91*** (0.02) |
| Year | 1.04*** (0.01) | 1.06*** (0.01) | 1.06*** (0.01) | 1.06*** (0.01) |
| Charlson index | 1.33*** (0.01) | 1.33*** (0.01) | 1.33*** (0.01) | |
| At least two infections at once | 1.37*** (0.07) | 1.32*** (0.09) | ||
| Bloodstream infection | 1.09 (0.05) | |||
| Pneumonia | 0.79*** (0.04) | |||
| Skin and soft tissue infection | 1.06 (0.06) | |||
| Urinary tract infection (reference case) | – | |||
| Constant | 0.00*** (0.00) | 0.00*** (0.00) | 0.00*** (0.00) | 0.00*** (0.00) |
| Observations | 704,115 | 704,115 | 704,115 | 704,115 |
Exponentiated coefficients; Standard errors in parentheses
First part: Logistic regression, Second part: Negative Binomial regression
*p < 0.05, ** p < 0.01, *** p < 0.001