Table 1.

Description analysis of China's health statistical yearbook from 2011 to 2020.

Year	number of discharged patients	Mortality (%)	Average length of stay (day)	Average hospitalization cost (¥)
2011	132,529	0.3	8.4	4,351
2012	109,475	0.27	8.7	4,736
2013	106,653	0.24	7.9	5,445
2014	140,784	0.23	8.12	5,708
2015	179,844	0.17	7.93	6,027
2016	209,871	0.14	7.87	6,246
2017	210,851	0.15	7.83	6,462
2018	220,177	0.15	7.7	6,473
2019	234,343	0.11	7.63	6,790
2020	188,988	0.12	7.4	6,461
X ± Std	173,351 ± 47,369	0.18 ± 0.07	7.9 ± 0.38	5,870 ± 808