Multiple regression results
| Variable | exp(Beta) | 95% CI | P value |
| Direct medical cost model | |||
| Insurance: Rural cooperation medical insurance | |||
| No | / | / | / |
| Yes | 0.78 | 0.68, 0.90 | <0.001 |
| Insurance: Self-payment | |||
| No | / | / | / |
| Yes | 1.28 | 1.03, 1.60 | 0.029 |
| Family monthly income per capita | |||
| < 3000 CNY | / | / | / |
| 3000–8000 CNY | 1.11 | 0.93, 1.31 | 0.3 |
| 8001–20 000 CNY | 1.24 | 1.04, 1.49 | 0.017 |
| ＞20 000 CNY | 1.38 | 1.09, 1.77 | 0.009 |
| Length of stay for index event | 1.04 | 1.03, 1.05 | <0.001 |
| Admission NIHSS total score | 1.04 | 1.02, 1.06 | <0.001 |
| Intravenous thrombolysis: rt-PA intravenous thrombolytic | |||
| No | / | / | / |
| Yes | 1.40 | 1.16, 1.70 | <0.001 |
| Inpatient therapy: carotid artery stenting | |||
| No | / | / | / |
| Yes | 3.07 | 1.60, 6.96 | 0.003 |
| Whereabouts after discharge | |||
| Home | / | / | / |
| Transferred to other hospitals (Grade II) | 0.94 | 0.55, 1.75 | 0.8 |
| Transferred to community hospital | 0.69 | 0.32, 1.96 | 0.4 |
| Transferred to rehabilitation centre | 1.73 | 1.22, 2.55 | 0.004 |
| Other | 1.10 | 0.62, 2.20 | 0.8 |
| Discharge medication: antiplatelet agents | |||
| No | / | / | / |
| Yes | 0.76 | 0.59, 0.96 | 0.027 |
| 3-month EQ-5D utility | 0.64 | 0.39, 1.01 | 0.054 |
| 3-month mRS score | |||
| 0–2 points | / | / | / |
| 3–5 points | 0.81 | 0.63, 1.03 | 0.076 |
| Indirect cost model | |||
| Age (years old) | 1.04 | 1.01, 1.08 | 0.021 |
| Insurance: urban employee basic medical insurance | |||
| No | / | / | / |
| Yes | 0.45 | 0.23, 0.85 | 0.015 |
| Insurance: urban resident basic medical insurance | |||
| No | / | / | / |
| Yes | 0.4 | 0.19, 0.84 | 0.017 |
| Work status before stroke | |||
| Working (full-time, part-time, farm work) | / | / | / |
| Not working (retired, unemployed, stopped farm work) | 0.01 | 0.00, 0.02 | <0.001 |
| Admission NIHSS total score | 1.1 | 1.01, 1.20 | 0.032 |
| Length of stay for the index event | 1.38 | 1.27, 1.53 | <0.001 |
| Intravenous thrombolysis: rt-PA intravenous thrombolytic | |||
| No | / | / | / |
| Yes | 0.41 | 0.15, 1.03 | 0.068 |
| 3-month EQ-5D utility | 0.21 | 0.03, 1.79 | 0.2 |
| 3-month mRS score | |||
| 0–2 points | / | / | / |
| 3–5 points | 0.39 | 0.13, 1.17 | 0.1 |
| Total cost model | |||
| Education level | |||
| College or above | / | / | / |
| High school | 0.91 | 0.72, 1.16 | 0.5 |
| Junior school | 1.03 | 0.82, 1.29 | 0.8 |
| Primary school | 1.08 | 0.84, 1.37 | 0.5 |
| None | 1.33 | 0.97, 1.83 | 0.081 |
| Work status before stroke | |||
| Working (full-time, part-time, farm work) | / | / | / |
| Not working (retired, unemployed, stopped farm work) | 0.46 | 0.40, 0.53 | <0.001 |
| Admission NIHSS total score | 1.06 | 1.04, 1.09 | <0.001 |
| Length of stay for the index event | 1.04 | 1.03, 1.05 | <0.001 |
| Inpatient therapy: antioxidant treatment | |||
| Did not receive medicines | / | / | / |
| No | 0.84 | 0.41, 1.52 | 0.6 |
| Yes | 0.74 | 0.35, 1.35 | 0.4 |
| 3-month EQ-5D utility | 0.33 | 0.19, 0.57 | <0.001 |
| 3-month mRS score | |||
| 0–2 points | / | / | / |
| 3–5 points | 0.81 | 0.62, 1.08 | 0.13 |
EQ-5D, EuroQol 5 Dimension; mRS, modified Rankin Scale; NIHSS, National Institutes of Health Stroke Scale.