| Variables | Assignment of influencing factors | Simple size | Expenditure $ (M + IQR) | t/F | value |
| Gender | Male = 1 | 19,488 (42.76%) | 1111.82 ± 741.66 | 247.81 | <0.000 | | Female = 2 | 26,087 (57.24%) | 1026.12 ± 688.18 | | |
| Age | Age ≤ 45 = 1 | 1,995 (4.37%) | 808.56 ± 535.69 | 788.16 | <0.000 | | Age between 45 and 60 = 2 | 9,117 (20.00%) | 954.13 ± 640.03 | | | | Age ≥ 60 = 3 | 34,463 (75.62%) | 1108.76 ± 745.46 | | |
| Level of hospital | Grade B secondary hospital = 1 | 7,609 (16.70%) | 784.12 ± 431.26 | 23,064 | <0.000 | | Grade A secondary hospital = 2 | 16,879 (37.04%) | 932.23 ± 671.61 | | | | Grade B tertiary hospital = 3 | 9,208 (20.20%) | 1140.05 ± 825.05 | | | | Grade A tertiary hospital = 4 | 11,879 (26.06%) | 1597.27 ± 1160.64 | | |
| LOS | ≤9 d = 1 | 22,870 (50.18%) | 779.17 ± 537.85 | 16,838 | <0.000 | | 9∼13 d = 2 | 9,544 (20.94%) | 1180.41 ± 884.23 | | | | ≥13 d = 3 | 13,161 (28.88%) | 1708.35 ± 1252.09 | | |
| Surgery | Yes = 1 | 2,820 | 1315.17 ± 765.10 | 330.79 | <0.000 | | No = 2 | 36,987 | 1013.85 ± 684.21 | | | | Others = 3 | 5,768 | 1212.19 ± 711.22 | | |
| Discharge status | Recovery = 1 | 37,492 (82.26%) | 1108.33 ± 750.21 | 1,413 | <0.000 | | Transfers = 2 | 707 (1.55%) | 933.52 ± 608.18 | | | | Death = 3 | 262 (0.57%) | 1525.31 ± 760.29 | | | | Others = 4 | 7,954 (15.48%) | 842.92 ± 570.62 | | | | Midway check-out = 5 | 60 (0.13%) | 1112.47 ± 605.51 | | |
| Comorbidities complications | The cerebral arteries lack blood supply = 1 | 20,936 (45.94%) | 1031.86 ± 884.13 | 6285.7 | <0.000 | | Lacunar infarction = 2 | 10,111 (22.19%) | 1081.60 ± 740.06 | | | | Cerebral infarction = 3 | 5,246 (11.51%) | 1477.85 ± 1031.87 | | | | Chronic cerebral ischemia = 4 | 1,989 (4.36%) | 1089.20 ± 763.47 | | | | Others = 5 | 7,293 (16%) | 1560.89 ± 974.51 | | |
| Hypertension level three | Yes = 1 | 9,303 (20.41) | 1162.96 ± 778.03 | 84.216 | | | No = 0 | 36,272 (79.59%) | 1116.37 ± 699.49 | | |
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