| Unmatched | Matched | ||||
---|---|---|---|---|---|---|
Variable | Susceptible mean (n = 1535) | Not-susceptible mean (n = 1030) | Standard mean difference | Susceptible mean (n = 1009) | Not-susceptible mean (n = 1009) | Standard mean difference |
Age, years | 42.83 | 44.42 | 0.081 | 43.95 | 44.12 | 0.008 |
Race, mean proportion of patients | ||||||
 White | 0.611 | 0.582 | 0.060 | 0.586 | 0.584 | 0.004 |
 African American | 0.243 | 0.273 | 0.068 | 0.259 | 0.268 | 0.020 |
 Asian | 0.033 | 0.034 | 0.004 | 0.035 | 0.035 | 0 |
 Other race | 0.059 | 0.057 | 0.006 | 0.063 | 0.058 | 0.021 |
 Unknown race/None/Declined to answer | 0.054 | 0.054 | 0.001 | 0.057 | 0.056 | 0.009 |
Ethnicity, mean proportion of patients | ||||||
 Hispanic | 0.030 | 0.030 | 0.001 | 0.03 | 0.031 | 0.006 |
 Non-Hispanic | 0.872 | 0.876 | 0.012 | 0.879 | 0.873 | 0.018 |
 Other ethnicity | 0.002 | 0.007 | 0.073 | 0.001 | 0.007 | 0.095 |
 Unknown ethnicity/None/Declined to answer | 0.096 | 0.087 | 0.031 | 0.090 | 0.089 | 0.003 |
Health insurance, mean proportion of patients | ||||||
 Private insurance | 0.632 | 0.585 | 0.095 | 0.589 | 0.595 | 0.012 |
 Medicare/Medicaid | 0.143 | 0.177 | 0.091 | 0.160 | 0.170 | 0.029 |
 Other insurance | 0.225 | 0.238 | 0.031 | 0.252 | 0.235 | 0.039 |
Charlson comorbidities, mean numbers | ||||||
 Charlson comorbidity total score | 0.053 | 0.064 | 0.032 | 0.053 | 0.054 | 0.003 |
 COPD | 0.021 | 0.022 | 0.006 | 0.021 | 0.019 | 0.014 |
 Dementia | 0.006 | 0.009 | 0.034 | 0.008 | 0.005 | 0.037 |
 Cerebrovascular disease | 0.005 | 0.003 | 0.027 | 0.004 | 0.003 | 0.017 |
 Rheumatic disease | 0.005 | 0.007 | 0.021 | 0.006 | 0.007 | 0.012 |
 Congestive heart failure | 0.003 | 0.001 | 0.039 | 0.002 | 0.001 | 0.026 |
 Mild liver disease | 0.003 | 0.004 | 0.022 | 0.001 | 0.004 | 0.060 |
 Peripheral vascular disorder | 0.003 | 0.004 | 0.022 | 0.003 | 0.004 | 0.017 |
 Hemiparesis | 0.001 | 0 | 0.036 | 0 | 0 | 0 |
 Peptic ulcer | 0.001 | 0 | 0.036 | 0.001 | 0 | 0.045 |
 Renal disease | 0.001 | 0 | 0.036 | 0 | 0 | 0 |
 Moderate/Severe liver disease | 0 | 0.001 | 0.044 | 0 | 0.001 | 0.045 |
 Myocardial infarction | 0 | 0.001 | 0.044 | 0 | 0.001 | 0.045 |
HCRU (180Â days pre-index), mean number of events per patient in the 180Â days pre-index | ||||||
 Inpatient encounters (all cause) | 0.004 | 0.012 | 0.077 | 0.001 | 0.003 | 0.045 |
 Outpatient encounters (all cause) | 1.024 | 1.066 | 0.022 | 1.014 | 0.995 | 0.011 |
 Outpatient clinic encounters (all cause) | 0.897 | 0.975 | 0.046 | 0.929 | 0.912 | 0.011 |
 Outpatient ambulatory surgery encounters (all cause) | 0.01 | 0.014 | 0.026 | 0.012 | 0.009 | 0.028 |
 Outpatient other encounters (all cause) | 0.117 | 0.078 | 0.087 | 0.073 | 0.074 | 0.003 |
 Emergency department encounters (all cause) | 0.052 | 0.084 | 0.103 | 0.065 | 0.066 | 0.003 |
 Drug orders (all cause) | 1.742 | 2.129 | 0.068 | 1.847 | 1.778 | 0.016 |
 Any antibiotic use | 0.098 | 0.150 | 0.158 | 0.097 | 0.147 | 0.152 |