Study of Hospitalization Costs in Patients with Cerebral Ischemia Based on E-CHAID Algorithm

Table 5

Grouping results and the predicted medical costs (N = 5204).

Group number	Classification description	N	CV	Median in RMB yuan	IQR	P75	Upper limit	Excess amount N (%)
1	MCC, discharged home	1046	1.13	16861.55	20478.52	30826.32	61544.09	107 (10.23)
2	MCC, transferred to another hospital, death and others	121	1.11	24554.26	32125.81	46340.91	94529.62	11 (9.09)
3	CC, ≤65 years old	1179	0.84	10527.18	6991.76	14977.50	25465.14	123 (10.43)
4	CC, >65 years old	1823	0.92	11928.30	8956.58	17892.89	31327.76	177 (9.71)
5	Non-CC, emergency admission, male	269	0.60	9875.89	5329.05	13127.80	21121.38	20 (7.43)
6	Non-CC, emergency admission, female	169	0.45	9414.20	4938.46	12336.98	19744.67	8 (4.73)
7	Non-CC, outpatient and other admission, <18 years old	56	2.09	1484.30	51.62	1527.48	1604.91	11 (19.64)
8	Non-CC, outpatient and other admission, 18–65 years old, male	212	0.94	6811.34	8170.03	9705.90	21960.94	11 (5.19)
9	Non-CC, outpatient and other admission, 18–65 years old; female	179	0.74	5584.74	6597.86	8098.58	17995.37	1 (0.56)
10	Non-CC, outpatient and other admission, >65 years old	150	0.66	8502.10	4613.23	11123.75	18043.59	15 (10.00)