Table 5 Estimated hospital cost with 95% confidence intervals by characteristics
| Â | Model 1 | Model 2 | ||
|---|---|---|---|---|
B (95%CI) | P value | B (95%CI) | P value | |
Sex | ||||
 Male | 1.00 |  | 1.00 |  |
 Female | 1.07 (1.04–1.10) | <0.001 | 1.00 (0.97–1.03) | 0.914 |
Age group | ||||
 18–34 years | 0.79 (0.62–1.03) | 0.077 | 0.80 (0.63–1.01) | 0.061 |
 35–44 years | 0.71 (0.63–0.80) | <0.001 | 0.76 (0.68–0.85) | <0.001 |
 45–54 years | 0.67 (0.62–0.71) | <0.001 | 0.74 (0.69–0.79) | <0.001 |
 55–64 years | 0.70 (0.66–0.75) | <0.001 | 0.75 (0.71–0.79) | <0.001 |
 65–74 years | 0.77 (0.73–0.82) | <0.001 | 0.82 (0.77–0.86) | <0.001 |
 75–84 years | 0.82 (0.78–0.87) | <0.001 | 0.88 (0.83–0.93) | <0.001 |
 ≥ 85 years | 1.00 |  | 1.00 |  |
Comorbidity Category | ||||
 None | 1.00 |  | 1.00 |  |
 Moderate | 1.12 (1.08–1.16) | <0.001 | 1.11 (1.07–1.14) | <0.001 |
 Severe | 1.36 (1.28–1.43) | <0.001 | 1.23 (1.16–1.29) | <0.001 |
 Very severe | 1.40 (1.33–1.48) | <0.001 | 1.27 (1.21–1.39) | <0.001 |
Week | ||||
 Weekend | 0.96 (0.93–1.00) | 0.029 | 0.96 (0.93–0.99) | 0.006 |
 Weekday | 1.00 |  | 1.00 |  |
Admission year | ||||
 2010 | 0.61 (0.56–0.66) | <0.001 | 0.64 (0.59–0.69) | <0.001 |
 2011 | 0.63 (0.58–0.67) | <0.001 | 0.65 (0.61–0.70) | <0.001 |
 2012 | 0.53 (0.50–0.57) | <0.001 | 0.55 (0.52–0.59) | <0.001 |
 2013 | 0.62 (0.58–0.66) | <0.001 | 0.65 (0.60–0.69) | <0.001 |
 2014 | 0.72 (0.67–0.77) | <0.001 | 0.73 (0.68–0.79) | <0.001 |
 2015 | 0.76 (0.71–0.82) | <0.001 | 0.78 (0.73–0.83) | <0.001 |
 2016 | 0.77 (0.72–0.82) | <0.001 | 0.78 (0.73–0.83) | <0.001 |
 2017 | 0.83 (0.78–0.90) | <0.001 | 0.84 (0.79–0.90) | <0.001 |
 2018 | 0.98 (0.91–1.05) | 0.537 | 0.99 (0.93–1.06) | 0.866 |
 2019 | 1.00 (0.93–1.07) | 0.974 | 1.01 (0.94–1.07) | 0.878 |
 2020 | 1.00 | 1.00 | 1.00 | 1.00 |
Stroke type | ||||
 Ischemic stroke | 1.01 (0.93–1.09) | 0.863 | – | – |
 Hemorrhagic stroke | 1.00 |  |  |  |
Payer | ||||
 Urban employee basic medical | 1.00 (0.94–1.05) | 0.855 | – | – |
 Urban residence basic medical insurance | 0.94 (0.88–1.01) | 0.073 | – | – |
 Self-pay | 1.00 |  |  |  |
Season | ||||
 Spring | 1.02 (0.97–1.06) | 0.456 | – | – |
 Summer | 1.02 (0.98–1.07) | 0.351 | – | – |
 Fall | 1.05 (1.01–1.10) | 0.028 | – | – |
 Winter | 1.00 |  |  |  |