Table 1. Descriptive Socio-demographic and Clinical Characteristics of Hospitalized Patients in China with a Diagnosis of Stroke between 2007 and 2010 by Stroke Type.

	SAH				ICH				IS
Variables	2007		2010		2007		2010		2007		2010
	(N = 2787)		(N = 3214)		(N = 12841)		(N = 13451)		(N = 38418)		(N = 45641)
Demographic factors
Age, years	53	43–62	54	45–63	58	49–69	58	49–69	68	57–75	68	58–76
Median, Q 1–Q 3	53	43–62	54	45–63	58	49–69	58	49–69	68	57–75	68	58–76
<45	803	28.82	761	23.68	2142	16.68	2060	15.31	2163	5.63	2161	4.73
45–64	1397	50.14	1757	54.67	6143	47.84	6709	49.88	13629	35.48	17132	37.57
65–74	381	13.68	444	13.81	2760	21.49	2624	19.51	12358	32.17	13141	28.79
75–79	120	4.31	147	4.57	999	7.78	1151	8.56	5566	14.49	6905	15.13
80	85	3.05	105	3.27	797	6.21	907	6.74	4702	12.24	6302	13.81
Sex
Male	1317	47.27	1506	46.86	8037	62.59	8539	63.48	23129	60.20	27557	60.38
Female	1469	52.73	1708	53.14	4804	37.41	4912	36.52	15288	39.80	18084	39.62
Primary payer
self-payment	1890	67.84	1659	51.62	8586	66.86	6802	50.57	19581	50.97	16601	36.37
basic health insurance	704	25.27	1362	42.38	3718	28.95	6193	46.04	16674	43.40	27062	59.29
other	192	6.89	193	6.00	537	4.19	456	3.40	2163	5.63	1978	4.34
CCI
1	2431	87.29	2865	89.14	11064	86.16	12220	90.85	26790	69.73	35184	77.89
2	312	11.20	320	9.96	1311	10.21	795	5.91	9761	25.41	9093	19.92
3	35	1.26	26	0.81	383	2.98	364	2.71	1314	3.42	1019	2.23
≥4	7	0.25	3	0.09	83	0.65	72	0.53	553	1.44	345	0.76
Severity of disease
severe	77	2.76	198	6.16	330	2.57	559	4.16	157	0.42	348	0.76
moderate	1173	42.10	1451	45.15	5689	44.30	6021	44.76	10011	26.06	11547	25.30
mild	1536	55.14	1565	48.69	6822	53.13	6871	51.08	28250	73.52	33746	73.94
Hospital region
North (10 provinces)	950	34.10	1097	34.13	5446	42.41	5455	40.55	19486	50.72	22683	49.70
East (4 provinces)	579	20.78	610	18.98	1776	13.83	2050	15.24	5191	13.51	5271	11.55
South (7 provinces)	511	18.34	558	17.36	2166	16.87	2232	16.59	4976	12.95	6556	14.36
West (10 provinces)	746	26.78	949	25.53	3453	26.89	3714	27.62	8765	22.82	11131	24.39
Length of stay
Days (Median, Q 1–Q 3)	12	5–20	12	5–19	14	6–23	15	7–24	13	9–18	12	8–16