Table 1 Descriptive statistics of main variables in our dataset
Category | Â | Counts (proportion) | Mean (std) of the LOS |
|---|---|---|---|
Total | – | 2,543,758 (100.00%) | 12.3 (7.5) |
Gender | Male | 1,237,624 (48.65%) | 12.4 (7.6) |
Female | 1,306,134 (51.35%) | 12.2 (7.4) | |
Years | 2015 | 260,745 (10.25%) | 13.2 (8.0) |
2016 | 423,586 (16.65%) | 12.6 (7.6) | |
2017 | 550,686 (21.65%) | 12.4 (7.5) | |
2018 | 610,795 (24.01%) | 12.2 (7.5) | |
2019 | 697,946 (27.44%) | 11.9 (7.4) | |
Age group | 65–69 | 594,045 (23.35%) | 11.8 (7.3) |
70–74 | 645,257 (25.37%) | 12.1 (7.3) | |
75–79 | 575,939 (22.64%) | 12.3 (7.3) | |
80–84 | 416,941 (16.39%) | 12.6 (7.5) | |
85–89 | 228,725 (8.99%) | 13.4 (8.4) | |
90 +  | 82,851 (3.26%) | 13.9 (9.1) | |
Ethnic group | Han | 2,533,984 (99.62%) | 12.3 (7.5) |
Minority | 9,774 (0.38%) | 12.6 (7.8) |